Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 5/20 and 9/7 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 5/20 and 9/7?

The given fractions are 5/20 and 9/7

Firstly the L.C.M should be done for the denominators of the two fractions 5/20 and 9/7

5/20 - 9/7

The LCM of 20 and 7 (denominators of the fractions) is 140

Given numbers has no common factors except 1. So, there LCM is their product i.e 140


= 5 x 7 - 9 x 20/140

= 35 - 180/140

= -145/140

= -29/28

Result: -29/28

FAQs on Subtraction of Fractions 5/20 and 9/7

1. How do you subtract fractions with different denominators 5/20 and 9/7?

To subtract fractions 5/20 and 9/7 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 20 and 7 value i.e 140. After that add numerators and simplify the fraction i.e -29/28.

2. What is 5/20 minus 9/7 as a fraction?

5/20 minus 9/7 as a fraction is equal to -29/28.

3. How to subtract 5/20 and 9/7 on a calculator?

You have to give these numbers 5/20 and 9/7 in the input fields and press the calculate button of the tool to avail the answer -29/28 quickly.