Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 12/17 and 7/9 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 12/17 and 7/9?

The given fractions are 12/17 and 7/9

Firstly the L.C.M should be done for the denominators of the two fractions 12/17 and 7/9

12/17 - 7/9

The LCM of 17 and 9 (denominators of the fractions) is 153

Given numbers has no common factors except 1. So, there LCM is their product i.e 153


= 12 x 9 - 7 x 17/153

= 108 - 119/153

= -11/153

Result: -11/153

FAQs on Subtraction of Fractions 12/17 and 7/9

1. How do you subtract fractions with different denominators 12/17 and 7/9?

To subtract fractions 12/17 and 7/9 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 17 and 9 value i.e 153. After that add numerators and simplify the fraction i.e -11/153.

2. What is 12/17 minus 7/9 as a fraction?

12/17 minus 7/9 as a fraction is equal to -11/153.

3. How to subtract 12/17 and 7/9 on a calculator?

You have to give these numbers 12/17 and 7/9 in the input fields and press the calculate button of the tool to avail the answer -11/153 quickly.