Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 18/3 and 13/7 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 18/3 and 13/7?

The given fractions are 18/3 and 13/7

Firstly the L.C.M should be done for the denominators of the two fractions 18/3 and 13/7

18/3 - 13/7

The LCM of 3 and 7 (denominators of the fractions) is 21

Given numbers has no common factors except 1. So, there LCM is their product i.e 21


= 18 x 7 - 13 x 3/21

= 126 - 39/21

= 87/21

= 29/7

Result: 29/7

FAQs on Subtraction of Fractions 18/3 and 13/7

1. How do you subtract fractions with different denominators 18/3 and 13/7?

To subtract fractions 18/3 and 13/7 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 3 and 7 value i.e 21. After that add numerators and simplify the fraction i.e 29/7.

2. What is 18/3 minus 13/7 as a fraction?

18/3 minus 13/7 as a fraction is equal to 29/7.

3. How to subtract 18/3 and 13/7 on a calculator?

You have to give these numbers 18/3 and 13/7 in the input fields and press the calculate button of the tool to avail the answer 29/7 quickly.