Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 20/18 and 12/9 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 20/18 and 12/9?

The given fractions are 20/18 and 12/9

Firstly the L.C.M should be done for the denominators of the two fractions 20/18 and 12/9

20/18 - 12/9

The LCM of 18 and 9 (denominators of the fractions) is 18
3 18, 9
3 6, 3
2, 1

So the lcm of the given numbers is 3 x 3 x 2 x 1 = 18


= 20 x 1 - 12 x 2/18

= 20 - 24/18

= -4/18

= -2/9

Result: -2/9

FAQs on Subtraction of Fractions 20/18 and 12/9

1. How do you subtract fractions with different denominators 20/18 and 12/9?

To subtract fractions 20/18 and 12/9 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 18 and 9 value i.e 18. After that add numerators and simplify the fraction i.e -2/9.

2. What is 20/18 minus 12/9 as a fraction?

20/18 minus 12/9 as a fraction is equal to -2/9.

3. How to subtract 20/18 and 12/9 on a calculator?

You have to give these numbers 20/18 and 12/9 in the input fields and press the calculate button of the tool to avail the answer -2/9 quickly.