how to write 1/1 in excel

When using Excel, we often display numbers as decimals. However, that is not necessarily the best way for users to read the information; fractions can be a better option. We could

how to write 1/1 in excel

When using Excel, we often display numbers as decimals. However, that is not necessarily the best way for users to read the information; fractions can be a better option. We could enter fractions as text, but then we cant use them in calculations. So, in this post, well look at the best way to use fractions in Excel.

Contents

  • About fractions
  • Displaying fractions in a cell
  • Apply number formatting
  • Automatically apply number formatting through data entry
  • Fix the denominator
  • Enter improper fractions in Excel
  • Enter fractions into a text string
  • Conclusion

About fractions

Lets start with a brief recap about fractions as it will help us understand what Excel is trying to do.

Fractions are a way of presenting a value as the number of sections of a whole. For example, 3/4 is a fraction where a whole is 4 parts, and our value is declared as being 3 of those parts.

There are different types of fractions:

  • Proper fractions  where the number at the top (the numerator) is less than the number at the bottom (the denominator). For example, 3/4 is a proper fraction; it represents a number equivalent to 3 parts out of a whole, where a whole is divided into 4 equal sections.
  • Improper fractions  where the number at the top (the numerator) is bigger than or equal to the number at the bottom (the denominator). For example, 5/4 is an improper fraction; it represents a number equivalent to 5 parts of a whole, where a whole is divided into 4
  • Mixed fractions  where a number is presented before a fraction. For example, 1 1/4 is a mixed fraction representing 1 whole, plus 1 part of a whole, where a whole is divided into 4.

Displaying fractions in a cell

To display a fraction in a cell, we use number formatting.

Number formatting is a way of displaying a value in a specific format, without changing the value itself. In simple terms, changing the number of decimal places is a form of number formatting. Look at the screenshot below:

Custom Number Formatted with no decimal places

Why isnt the value in cell B4 equal to 4? Surely 2+2=4? The numbers in B2 and B3 are actually 1.5 but shown with zero decimal places, so they have been rounded up to 2. The numbers arent incorrect; they are just formatted differently.

Apply number formatting

To apply number formatting, select the cells to be formatted, click Home -> Number -> Dialog Launcher (button) (or press Ctrl + 1) to open the Format Cells window.

Home Number Dialog Launcher

From here, we can select the Fraction category and choose the format we want.

Select Fraction from Custom Number format

The number will now be formatted as a fraction.

Select Fraction from Custom Number format

As you can see from the screenshot above, the number 0.75 is presented as 3/4.

NOTES:

  • If the exact fraction cannot be displayed, it will be rounded to the nearest result.
  • Fractions in Excel will automatically be converted to the lowest denominator. For example, a fraction of 4/8 will be converted to 1/2.

Automatically apply number formatting through data entry

There is a useful little hack for entering fractions faster. If we enter a mixed fraction into a cell, Excel understands that we want to display a fraction and automatically changes the number format for us.

For example, entering 0 3/4 will automatically convert the format of the cell to a fraction.

Mixed fraction data entry

NOTES:
If we enter a fraction without a leading digit, Excel thinks we want a date or text. Therefore, its important to enter a mixed fraction to trigger the automatic cell formatting.

Fix the denominator

As mentioned earlier, Excel will automatically reduce fractions to have the lowest denominator. However, sometimes, we want to fix the denominator. In this case, we can create a custom number format:

Select the cells to be formatted and click Home -> Number -> Dialog Launcher (button) (or press Ctrl + 1) to open the Format Cells window.

In the custom section, I have entered # ?/16 in the type box, which will create a mixed fraction where the denominator is always fixed as 16.

Custom Number format with a fixed Denominator


Enter improper fractions in Excel

To enter improper fractions, we can again use a custom number format. By entering ??/?? (without a hash at the start), the value will only show a fraction (i.e., it will not display a mixed fraction).

Impropert Fractions - use custom Formatting with out a hash

We can now mix fixed denominators and improper fractions. For example, ???/100 will display 120/100 if we enter 1.2 into a cell.

Improper Fraction with Fixed Denominator

Enter fractions into a text string

Sometimes we want to display the fraction into a text string, rather than just in a cell.

Enter Fraction into a text string

The example above is created by using the TEXT function. In cell B2 the formula is:="I ate " & TEXT(0.5,"?/?") & " the apple pie"

The TEXT functions first argument is the value; the second argument is the number format to apply. From this, we can create a fraction by using the same format code as we used in the customer number format.

Conclusion

In this post, weve seen how to use fractions in Excel. There are three types of fractions. By using the right custom number format, we can decide which of the 3 we will display. But using a number format, rather than text, we can still use calculations on those numbers.



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Dont forget:

If youve found this post useful, or if you have a better approach, then please leave a comment below.

Do you need help adapting this to your needs?

Im guessing the examples in this post didnt exactly meet your situation. We all use Excel differently, so its impossible to write a post that will meet everybodys needs. By taking the time to understand the techniques and principles in this post (and elsewhere on this site) you should be able to adapt it to your needs.

But, if youre still struggling you should:

  1. Read other blogs, or watch YouTube videos on the same topic. You will benefit much more by discovering your own solutions.
  2. Ask the Excel Ninja in your office. Its amazing what things other people know.
  3. Ask a question in a forum like Mr Excel, or the Microsoft Answers Community. Remember, the people on these forums are generally giving their time for free. So take care to craft your question, make sure its clear and concise. List all the things youve tried, and provide screenshots, code segments and example workbooks.
  4. Use Excel Rescue, who are my consultancy partner. They help by providing solutions to smaller Excel problems.

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