Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 13/20 and 13/8 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 13/20 and 13/8?

The given fractions are 13/20 and 13/8

Firstly the L.C.M should be done for the denominators of the two fractions 13/20 and 13/8

13/20 - 13/8

The LCM of 20 and 8 (denominators of the fractions) is 40
2 20, 8
2 10, 4
5, 2

So the lcm of the given numbers is 2 x 2 x 5 x 2 = 40


= 13 x 2 - 13 x 5/40

= 26 - 65/40

= -39/40

Result: -39/40

FAQs on Subtraction of Fractions 13/20 and 13/8

1. How do you subtract fractions with different denominators 13/20 and 13/8?

To subtract fractions 13/20 and 13/8 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 20 and 8 value i.e 40. After that add numerators and simplify the fraction i.e -39/40.

2. What is 13/20 minus 13/8 as a fraction?

13/20 minus 13/8 as a fraction is equal to -39/40.

3. How to subtract 13/20 and 13/8 on a calculator?

You have to give these numbers 13/20 and 13/8 in the input fields and press the calculate button of the tool to avail the answer -39/40 quickly.