Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 7/7 and 20/9 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.




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How do you Subtract Fractions 7/7 and 20/9?

The given fractions are 7/7 and 20/9

Firstly the L.C.M should be done for the denominators of the two fractions 7/7 and 20/9

7/7 - 20/9

The LCM of 7 and 9 (denominators of the fractions) is 63

Given numbers has no common factors except 1. So, there LCM is their product i.e 63


= 7 x 9 - 20 x 7/63

= 63 - 140/63

= -77/63

= -11/9

Result: -11/9

FAQs on Subtraction of Fractions 7/7 and 20/9

1. How do you subtract fractions with different denominators 7/7 and 20/9?

To subtract fractions 7/7 and 20/9 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 7 and 9 value i.e 63. After that add numerators and simplify the fraction i.e -11/9.

2. What is 7/7 minus 20/9 as a fraction?

7/7 minus 20/9 as a fraction is equal to -11/9.

3. How to subtract 7/7 and 20/9 on a calculator?

You have to give these numbers 7/7 and 20/9 in the input fields and press the calculate button of the tool to avail the answer -11/9 quickly.