Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 12/9 and 20/12 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 12/9 and 20/12?

The given fractions are 12/9 and 20/12

Firstly the L.C.M should be done for the denominators of the two fractions 12/9 and 20/12

12/9 - 20/12

The LCM of 9 and 12 (denominators of the fractions) is 36
3 9, 12
3, 4

So the lcm of the given numbers is 3 x 3 x 4 = 36


= 12 x 4 - 20 x 3/36

= 48 - 60/36

= -12/36

= -1/3

Result: -1/3

FAQs on Subtraction of Fractions 12/9 and 20/12

1. How do you subtract fractions with different denominators 12/9 and 20/12?

To subtract fractions 12/9 and 20/12 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 9 and 12 value i.e 36. After that add numerators and simplify the fraction i.e -1/3.

2. What is 12/9 minus 20/12 as a fraction?

12/9 minus 20/12 as a fraction is equal to -1/3.

3. How to subtract 12/9 and 20/12 on a calculator?

You have to give these numbers 12/9 and 20/12 in the input fields and press the calculate button of the tool to avail the answer -1/3 quickly.