Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 17/20 and 4/8 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 17/20 and 4/8?

The given fractions are 17/20 and 4/8

Firstly the L.C.M should be done for the denominators of the two fractions 17/20 and 4/8

17/20 - 4/8

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


= 17 x 2 - 4 x 5/40

= 34 - 20/40

= 14/40

= 7/20

Result: 7/20

FAQs on Subtraction of Fractions 17/20 and 4/8

1. How do you subtract fractions with different denominators 17/20 and 4/8?

To subtract fractions 17/20 and 4/8 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 7/20.

2. What is 17/20 minus 4/8 as a fraction?

17/20 minus 4/8 as a fraction is equal to 7/20.

3. How to subtract 17/20 and 4/8 on a calculator?

You have to give these numbers 17/20 and 4/8 in the input fields and press the calculate button of the tool to avail the answer 7/20 quickly.