Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 3/12 and 3/9 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 3/12 and 3/9?

The given fractions are 3/12 and 3/9

Firstly the L.C.M should be done for the denominators of the two fractions 3/12 and 3/9

3/12 - 3/9

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

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


= 3 x 3 - 3 x 4/36

= 9 - 12/36

= -3/36

= -1/12

Result: -1/12

FAQs on Subtraction of Fractions 3/12 and 3/9

1. How do you subtract fractions with different denominators 3/12 and 3/9?

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

2. What is 3/12 minus 3/9 as a fraction?

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

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

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