Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 18/18 and 11/8 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 18/18 and 11/8?

The given fractions are 18/18 and 11/8

Firstly the L.C.M should be done for the denominators of the two fractions 18/18 and 11/8

18/18 - 11/8

The LCM of 18 and 8 (denominators of the fractions) is 72
2 18, 8
9, 4

So the lcm of the given numbers is 2 x 9 x 4 = 72


= 18 x 4 - 11 x 9/72

= 72 - 99/72

= -27/72

= -3/8

Result: -3/8

FAQs on Subtraction of Fractions 18/18 and 11/8

1. How do you subtract fractions with different denominators 18/18 and 11/8?

To subtract fractions 18/18 and 11/8 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 18 and 8 value i.e 72. After that add numerators and simplify the fraction i.e -3/8.

2. What is 18/18 minus 11/8 as a fraction?

18/18 minus 11/8 as a fraction is equal to -3/8.

3. How to subtract 18/18 and 11/8 on a calculator?

You have to give these numbers 18/18 and 11/8 in the input fields and press the calculate button of the tool to avail the answer -3/8 quickly.