Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 12/20 and 7/1 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 12/20 and 7/1?

The given fractions are 12/20 and 7/1

Firstly the L.C.M should be done for the denominators of the two fractions 12/20 and 7/1

12/20 - 7/1

The LCM of 20 and 1 (denominators of the fractions) is 20

Given numbers has no common factors except 1. So, there LCM is their product i.e 20


= 12 x 1 - 7 x 20/20

= 12 - 140/20

= -128/20

= -32/5

Result: -32/5

FAQs on Subtraction of Fractions 12/20 and 7/1

1. How do you subtract fractions with different denominators 12/20 and 7/1?

To subtract fractions 12/20 and 7/1 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 20 and 1 value i.e 20. After that add numerators and simplify the fraction i.e -32/5.

2. What is 12/20 minus 7/1 as a fraction?

12/20 minus 7/1 as a fraction is equal to -32/5.

3. How to subtract 12/20 and 7/1 on a calculator?

You have to give these numbers 12/20 and 7/1 in the input fields and press the calculate button of the tool to avail the answer -32/5 quickly.