Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 7/4 and 18/9 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 7/4 and 18/9?

The given fractions are 7/4 and 18/9

Firstly the L.C.M should be done for the denominators of the two fractions 7/4 and 18/9

7/4 - 18/9

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

Given numbers has no common factors except 1. So, there LCM is their product i.e 36


= 7 x 9 - 18 x 4/36

= 63 - 72/36

= -9/36

= -1/4

Result: -1/4

FAQs on Subtraction of Fractions 7/4 and 18/9

1. How do you subtract fractions with different denominators 7/4 and 18/9?

To subtract fractions 7/4 and 18/9 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 4 and 9 value i.e 36. After that add numerators and simplify the fraction i.e -1/4.

2. What is 7/4 minus 18/9 as a fraction?

7/4 minus 18/9 as a fraction is equal to -1/4.

3. How to subtract 7/4 and 18/9 on a calculator?

You have to give these numbers 7/4 and 18/9 in the input fields and press the calculate button of the tool to avail the answer -1/4 quickly.