Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 12/18 and 5/4 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 12/18 and 5/4?

The given fractions are 12/18 and 5/4

Firstly the L.C.M should be done for the denominators of the two fractions 12/18 and 5/4

12/18 - 5/4

The LCM of 18 and 4 (denominators of the fractions) is 36
2 18, 4
9, 2

So the lcm of the given numbers is 2 x 9 x 2 = 36


= 12 x 2 - 5 x 9/36

= 24 - 45/36

= -21/36

= -7/12

Result: -7/12

FAQs on Subtraction of Fractions 12/18 and 5/4

1. How do you subtract fractions with different denominators 12/18 and 5/4?

To subtract fractions 12/18 and 5/4 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 18 and 4 value i.e 36. After that add numerators and simplify the fraction i.e -7/12.

2. What is 12/18 minus 5/4 as a fraction?

12/18 minus 5/4 as a fraction is equal to -7/12.

3. How to subtract 12/18 and 5/4 on a calculator?

You have to give these numbers 12/18 and 5/4 in the input fields and press the calculate button of the tool to avail the answer -7/12 quickly.