Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 3/9 and 9/20 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 3/9 and 9/20?

The given fractions are 3/9 and 9/20

Firstly the L.C.M should be done for the denominators of the two fractions 3/9 and 9/20

3/9 - 9/20

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


= 3 x 20 - 9 x 9/180

= 60 - 81/180

= -21/180

= -7/60

Result: -7/60

FAQs on Subtraction of Fractions 3/9 and 9/20

1. How do you subtract fractions with different denominators 3/9 and 9/20?

To subtract fractions 3/9 and 9/20 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 -7/60.

2. What is 3/9 minus 9/20 as a fraction?

3/9 minus 9/20 as a fraction is equal to -7/60.

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

You have to give these numbers 3/9 and 9/20 in the input fields and press the calculate button of the tool to avail the answer -7/60 quickly.