Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 18/20 and 1/5 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 18/20 and 1/5?

The given fractions are 18/20 and 1/5

Firstly the L.C.M should be done for the denominators of the two fractions 18/20 and 1/5

18/20 - 1/5

The LCM of 20 and 5 (denominators of the fractions) is 20
5 20, 5
4, 1

So the lcm of the given numbers is 5 x 4 x 1 = 20


= 18 x 1 - 1 x 4/20

= 18 - 4/20

= 14/20

= 7/10

Result: 7/10

FAQs on Subtraction of Fractions 18/20 and 1/5

1. How do you subtract fractions with different denominators 18/20 and 1/5?

To subtract fractions 18/20 and 1/5 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 20 and 5 value i.e 20. After that add numerators and simplify the fraction i.e 7/10.

2. What is 18/20 minus 1/5 as a fraction?

18/20 minus 1/5 as a fraction is equal to 7/10.

3. How to subtract 18/20 and 1/5 on a calculator?

You have to give these numbers 18/20 and 1/5 in the input fields and press the calculate button of the tool to avail the answer 7/10 quickly.