Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 7/17 and 20/5 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 7/17 and 20/5?

The given fractions are 7/17 and 20/5

Firstly the L.C.M should be done for the denominators of the two fractions 7/17 and 20/5

7/17 - 20/5

The LCM of 17 and 5 (denominators of the fractions) is 85

Given numbers has no common factors except 1. So, there LCM is their product i.e 85


= 7 x 5 - 20 x 17/85

= 35 - 340/85

= -305/85

= -61/17

Result: -61/17

FAQs on Subtraction of Fractions 7/17 and 20/5

1. How do you subtract fractions with different denominators 7/17 and 20/5?

To subtract fractions 7/17 and 20/5 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 17 and 5 value i.e 85. After that add numerators and simplify the fraction i.e -61/17.

2. What is 7/17 minus 20/5 as a fraction?

7/17 minus 20/5 as a fraction is equal to -61/17.

3. How to subtract 7/17 and 20/5 on a calculator?

You have to give these numbers 7/17 and 20/5 in the input fields and press the calculate button of the tool to avail the answer -61/17 quickly.