Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 15/17 and 20/4 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 15/17 and 20/4?

The given fractions are 15/17 and 20/4

Firstly the L.C.M should be done for the denominators of the two fractions 15/17 and 20/4

15/17 - 20/4

The LCM of 17 and 4 (denominators of the fractions) is 68

Given numbers has no common factors except 1. So, there LCM is their product i.e 68


= 15 x 4 - 20 x 17/68

= 60 - 340/68

= -280/68

= -70/17

Result: -70/17

FAQs on Subtraction of Fractions 15/17 and 20/4

1. How do you subtract fractions with different denominators 15/17 and 20/4?

To subtract fractions 15/17 and 20/4 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 17 and 4 value i.e 68. After that add numerators and simplify the fraction i.e -70/17.

2. What is 15/17 minus 20/4 as a fraction?

15/17 minus 20/4 as a fraction is equal to -70/17.

3. How to subtract 15/17 and 20/4 on a calculator?

You have to give these numbers 15/17 and 20/4 in the input fields and press the calculate button of the tool to avail the answer -70/17 quickly.