13/8 Minus 7/20, Solve 13/8 - 7/20 as a Fraction
Calculate the subtraction of fractions 13/8 and 7/20 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.
How do you Subtract Fractions 13/8 and 7/20?
The given fractions are 13/8 and 7/20
Firstly the L.C.M should be done for the denominators of the two fractions 13/8 and 7/20
13/8 - 7/20
The LCM of 8 and 20 (denominators of the fractions) is 40
| 2 | 8, 20 |
| 2 | 4, 10 |
| 2, 5 |
So the lcm of the given numbers is 2 x 2 x 2 x 5 = 40
= 13 x 5 - 7 x 2/40
= 65 - 14/40
= 51/40
Result: 51/40
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FAQs on Subtraction of Fractions 13/8 and 7/20
1. How do you subtract fractions with different denominators 13/8 and 7/20?
To subtract fractions 13/8 and 7/20 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 8 and 20 value i.e 40. After that add numerators and simplify the fraction i.e 51/40.
2. What is 13/8 minus 7/20 as a fraction?
13/8 minus 7/20 as a fraction is equal to 51/40.
3. How to subtract 13/8 and 7/20 on a calculator?
You have to give these numbers 13/8 and 7/20 in the input fields and press the calculate button of the tool to avail the answer 51/40 quickly.