Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 1/9 and 9/8 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 1/9 and 9/8?

The given fractions are 1/9 and 9/8

Firstly the L.C.M should be done for the denominators of the two fractions 1/9 and 9/8

1/9 - 9/8

The LCM of 9 and 8 (denominators of the fractions) is 72

Given numbers has no common factors except 1. So, there LCM is their product i.e 72


= 1 x 8 - 9 x 9/72

= 8 - 81/72

= -73/72

Result: -73/72

FAQs on Subtraction of Fractions 1/9 and 9/8

1. How do you subtract fractions with different denominators 1/9 and 9/8?

To subtract fractions 1/9 and 9/8 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 9 and 8 value i.e 72. After that add numerators and simplify the fraction i.e -73/72.

2. What is 1/9 minus 9/8 as a fraction?

1/9 minus 9/8 as a fraction is equal to -73/72.

3. How to subtract 1/9 and 9/8 on a calculator?

You have to give these numbers 1/9 and 9/8 in the input fields and press the calculate button of the tool to avail the answer -73/72 quickly.