Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 15/7 and 3/20 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 15/7 and 3/20?

The given fractions are 15/7 and 3/20

Firstly the L.C.M should be done for the denominators of the two fractions 15/7 and 3/20

15/7 - 3/20

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

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


= 15 x 20 - 3 x 7/140

= 300 - 21/140

= 279/140

Result: 279/140

FAQs on Subtraction of Fractions 15/7 and 3/20

1. How do you subtract fractions with different denominators 15/7 and 3/20?

To subtract fractions 15/7 and 3/20 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 7 and 20 value i.e 140. After that add numerators and simplify the fraction i.e 279/140.

2. What is 15/7 minus 3/20 as a fraction?

15/7 minus 3/20 as a fraction is equal to 279/140.

3. How to subtract 15/7 and 3/20 on a calculator?

You have to give these numbers 15/7 and 3/20 in the input fields and press the calculate button of the tool to avail the answer 279/140 quickly.