Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 15/18 and 17/4 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 15/18 and 17/4?

The given fractions are 15/18 and 17/4

Firstly the L.C.M should be done for the denominators of the two fractions 15/18 and 17/4

15/18 - 17/4

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


= 15 x 2 - 17 x 9/36

= 30 - 153/36

= -123/36

= -41/12

Result: -41/12

FAQs on Subtraction of Fractions 15/18 and 17/4

1. How do you subtract fractions with different denominators 15/18 and 17/4?

To subtract fractions 15/18 and 17/4 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 -41/12.

2. What is 15/18 minus 17/4 as a fraction?

15/18 minus 17/4 as a fraction is equal to -41/12.

3. How to subtract 15/18 and 17/4 on a calculator?

You have to give these numbers 15/18 and 17/4 in the input fields and press the calculate button of the tool to avail the answer -41/12 quickly.