18/20 Minus 12/4, Solve 18/20 - 12/4 as a Fraction
Calculate the subtraction of fractions 18/20 and 12/4 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.
How do you Subtract Fractions 18/20 and 12/4?
The given fractions are 18/20 and 12/4
Firstly the L.C.M should be done for the denominators of the two fractions 18/20 and 12/4
18/20 - 12/4
The LCM of 20 and 4 (denominators of the fractions) is 20
| 2 | 20, 4 |
| 2 | 10, 2 |
| 5, 1 |
So the lcm of the given numbers is 2 x 2 x 5 x 1 = 20
= 18 x 1 - 12 x 5/20
= 18 - 60/20
= -42/20
= -21/10
Result: -21/10
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FAQs on Subtraction of Fractions 18/20 and 12/4
1. How do you subtract fractions with different denominators 18/20 and 12/4?
To subtract fractions 18/20 and 12/4 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 20 and 4 value i.e 20. After that add numerators and simplify the fraction i.e -21/10.
2. What is 18/20 minus 12/4 as a fraction?
18/20 minus 12/4 as a fraction is equal to -21/10.
3. How to subtract 18/20 and 12/4 on a calculator?
You have to give these numbers 18/20 and 12/4 in the input fields and press the calculate button of the tool to avail the answer -21/10 quickly.