Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 1/5 and 17/18 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 1/5 and 17/18?

The given fractions are 1/5 and 17/18

Firstly the L.C.M should be done for the denominators of the two fractions 1/5 and 17/18

1/5 - 17/18

The LCM of 5 and 18 (denominators of the fractions) is 90

Given numbers has no common factors except 1. So, there LCM is their product i.e 90


= 1 x 18 - 17 x 5/90

= 18 - 85/90

= -67/90

Result: -67/90

FAQs on Subtraction of Fractions 1/5 and 17/18

1. How do you subtract fractions with different denominators 1/5 and 17/18?

To subtract fractions 1/5 and 17/18 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 5 and 18 value i.e 90. After that add numerators and simplify the fraction i.e -67/90.

2. What is 1/5 minus 17/18 as a fraction?

1/5 minus 17/18 as a fraction is equal to -67/90.

3. How to subtract 1/5 and 17/18 on a calculator?

You have to give these numbers 1/5 and 17/18 in the input fields and press the calculate button of the tool to avail the answer -67/90 quickly.