Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 3/8 and 7/18 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 3/8 and 7/18?

The given fractions are 3/8 and 7/18

Firstly the L.C.M should be done for the denominators of the two fractions 3/8 and 7/18

3/8 - 7/18

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

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


= 3 x 9 - 7 x 4/72

= 27 - 28/72

= -1/72

Result: -1/72

FAQs on Subtraction of Fractions 3/8 and 7/18

1. How do you subtract fractions with different denominators 3/8 and 7/18?

To subtract fractions 3/8 and 7/18 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 8 and 18 value i.e 72. After that add numerators and simplify the fraction i.e -1/72.

2. What is 3/8 minus 7/18 as a fraction?

3/8 minus 7/18 as a fraction is equal to -1/72.

3. How to subtract 3/8 and 7/18 on a calculator?

You have to give these numbers 3/8 and 7/18 in the input fields and press the calculate button of the tool to avail the answer -1/72 quickly.