Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 20/18 and 15/17 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 20/18 and 15/17?

The given fractions are 20/18 and 15/17

Firstly the L.C.M should be done for the denominators of the two fractions 20/18 and 15/17

20/18 - 15/17

The LCM of 18 and 17 (denominators of the fractions) is 306

Given numbers has no common factors except 1. So, there LCM is their product i.e 306


= 20 x 17 - 15 x 18/306

= 340 - 270/306

= 70/306

= 35/153

Result: 35/153

FAQs on Subtraction of Fractions 20/18 and 15/17

1. How do you subtract fractions with different denominators 20/18 and 15/17?

To subtract fractions 20/18 and 15/17 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 18 and 17 value i.e 306. After that add numerators and simplify the fraction i.e 35/153.

2. What is 20/18 minus 15/17 as a fraction?

20/18 minus 15/17 as a fraction is equal to 35/153.

3. How to subtract 20/18 and 15/17 on a calculator?

You have to give these numbers 20/18 and 15/17 in the input fields and press the calculate button of the tool to avail the answer 35/153 quickly.