Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 13/18 and 17/9 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 13/18 and 17/9?

The given fractions are 13/18 and 17/9

Firstly the L.C.M should be done for the denominators of the two fractions 13/18 and 17/9

13/18 - 17/9

The LCM of 18 and 9 (denominators of the fractions) is 18
3 18, 9
3 6, 3
2, 1

So the lcm of the given numbers is 3 x 3 x 2 x 1 = 18


= 13 x 1 - 17 x 2/18

= 13 - 34/18

= -21/18

= -7/6

Result: -7/6

FAQs on Subtraction of Fractions 13/18 and 17/9

1. How do you subtract fractions with different denominators 13/18 and 17/9?

To subtract fractions 13/18 and 17/9 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 18 and 9 value i.e 18. After that add numerators and simplify the fraction i.e -7/6.

2. What is 13/18 minus 17/9 as a fraction?

13/18 minus 17/9 as a fraction is equal to -7/6.

3. How to subtract 13/18 and 17/9 on a calculator?

You have to give these numbers 13/18 and 17/9 in the input fields and press the calculate button of the tool to avail the answer -7/6 quickly.