Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Calculate the subtraction of fractions 18/5 and 5/4 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 18/5 and 5/4?

The given fractions are 18/5 and 5/4

Firstly the L.C.M should be done for the denominators of the two fractions 18/5 and 5/4

18/5 - 5/4

The LCM of 5 and 4 (denominators of the fractions) is 20

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


= 18 x 4 - 5 x 5/20

= 72 - 25/20

= 47/20

Result: 47/20

FAQs on Subtraction of Fractions 18/5 and 5/4

1. How do you subtract fractions with different denominators 18/5 and 5/4?

To subtract fractions 18/5 and 5/4 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 5 and 4 value i.e 20. After that add numerators and simplify the fraction i.e 47/20.

2. What is 18/5 minus 5/4 as a fraction?

18/5 minus 5/4 as a fraction is equal to 47/20.

3. How to subtract 18/5 and 5/4 on a calculator?

You have to give these numbers 18/5 and 5/4 in the input fields and press the calculate button of the tool to avail the answer 47/20 quickly.