Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 20/7 and 17/2 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 20/7 and 17/2?

The given fractions are 20/7 and 17/2

Firstly the L.C.M should be done for the denominators of the two fractions 20/7 and 17/2

20/7 - 17/2

The LCM of 7 and 2 (denominators of the fractions) is 14

Given numbers has no common factors except 1. So, there LCM is their product i.e 14


= 20 x 2 - 17 x 7/14

= 40 - 119/14

= -79/14

Result: -79/14

FAQs on Subtraction of Fractions 20/7 and 17/2

1. How do you subtract fractions with different denominators 20/7 and 17/2?

To subtract fractions 20/7 and 17/2 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 7 and 2 value i.e 14. After that add numerators and simplify the fraction i.e -79/14.

2. What is 20/7 minus 17/2 as a fraction?

20/7 minus 17/2 as a fraction is equal to -79/14.

3. How to subtract 20/7 and 17/2 on a calculator?

You have to give these numbers 20/7 and 17/2 in the input fields and press the calculate button of the tool to avail the answer -79/14 quickly.