Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 20/10 and 17/9 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 20/10 and 17/9?

The given fractions are 20/10 and 17/9

Firstly the L.C.M should be done for the denominators of the two fractions 20/10 and 17/9

20/10 - 17/9

The LCM of 10 and 9 (denominators of the fractions) is 90

Given numbers has no common factors except 1. So, there LCM is their product i.e 90


= 20 x 9 - 17 x 10/90

= 180 - 170/90

= 10/90

= 1/9

Result: 1/9

FAQs on Subtraction of Fractions 20/10 and 17/9

1. How do you subtract fractions with different denominators 20/10 and 17/9?

To subtract fractions 20/10 and 17/9 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 10 and 9 value i.e 90. After that add numerators and simplify the fraction i.e 1/9.

2. What is 20/10 minus 17/9 as a fraction?

20/10 minus 17/9 as a fraction is equal to 1/9.

3. How to subtract 20/10 and 17/9 on a calculator?

You have to give these numbers 20/10 and 17/9 in the input fields and press the calculate button of the tool to avail the answer 1/9 quickly.