Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 13/9 and 18/20 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 13/9 and 18/20?

The given fractions are 13/9 and 18/20

Firstly the L.C.M should be done for the denominators of the two fractions 13/9 and 18/20

13/9 - 18/20

The LCM of 9 and 20 (denominators of the fractions) is 180

Given numbers has no common factors except 1. So, there LCM is their product i.e 180


= 13 x 20 - 18 x 9/180

= 260 - 162/180

= 98/180

= 49/90

Result: 49/90

FAQs on Subtraction of Fractions 13/9 and 18/20

1. How do you subtract fractions with different denominators 13/9 and 18/20?

To subtract fractions 13/9 and 18/20 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 9 and 20 value i.e 180. After that add numerators and simplify the fraction i.e 49/90.

2. What is 13/9 minus 18/20 as a fraction?

13/9 minus 18/20 as a fraction is equal to 49/90.

3. How to subtract 13/9 and 18/20 on a calculator?

You have to give these numbers 13/9 and 18/20 in the input fields and press the calculate button of the tool to avail the answer 49/90 quickly.