7/4 Minus 20/8, Solve 7/4 - 20/8 as a Fraction
Calculate the subtraction of fractions 7/4 and 20/8 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.
How do you Subtract Fractions 7/4 and 20/8?
The given fractions are 7/4 and 20/8
Firstly the L.C.M should be done for the denominators of the two fractions 7/4 and 20/8
7/4 - 20/8
The LCM of 4 and 8 (denominators of the fractions) is 8
| 2 | 4, 8 |
| 2 | 2, 4 |
| 1, 2 |
So the lcm of the given numbers is 2 x 2 x 1 x 2 = 8
= 7 x 2 - 20 x 1/8
= 14 - 20/8
= -6/8
= -3/4
Result: -3/4
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FAQs on Subtraction of Fractions 7/4 and 20/8
1. How do you subtract fractions with different denominators 7/4 and 20/8?
To subtract fractions 7/4 and 20/8 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 4 and 8 value i.e 8. After that add numerators and simplify the fraction i.e -3/4.
2. What is 7/4 minus 20/8 as a fraction?
7/4 minus 20/8 as a fraction is equal to -3/4.
3. How to subtract 7/4 and 20/8 on a calculator?
You have to give these numbers 7/4 and 20/8 in the input fields and press the calculate button of the tool to avail the answer -3/4 quickly.