Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 1/7 and 18/12 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 1/7 and 18/12?

The given fractions are 1/7 and 18/12

Firstly the L.C.M should be done for the denominators of the two fractions 1/7 and 18/12

1/7 - 18/12

The LCM of 7 and 12 (denominators of the fractions) is 84

Given numbers has no common factors except 1. So, there LCM is their product i.e 84


= 1 x 12 - 18 x 7/84

= 12 - 126/84

= -114/84

= -19/14

Result: -19/14

FAQs on Subtraction of Fractions 1/7 and 18/12

1. How do you subtract fractions with different denominators 1/7 and 18/12?

To subtract fractions 1/7 and 18/12 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 7 and 12 value i.e 84. After that add numerators and simplify the fraction i.e -19/14.

2. What is 1/7 minus 18/12 as a fraction?

1/7 minus 18/12 as a fraction is equal to -19/14.

3. How to subtract 1/7 and 18/12 on a calculator?

You have to give these numbers 1/7 and 18/12 in the input fields and press the calculate button of the tool to avail the answer -19/14 quickly.