7/20 Minus 18/4, Solve 7/20 - 18/4 as a Fraction
Calculate the subtraction of fractions 7/20 and 18/4 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.
How do you Subtract Fractions 7/20 and 18/4?
The given fractions are 7/20 and 18/4
Firstly the L.C.M should be done for the denominators of the two fractions 7/20 and 18/4
7/20 - 18/4
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
= 7 x 1 - 18 x 5/20
= 7 - 90/20
= -83/20
Result: -83/20
Subtracting Fraction Worksheets
FAQs on Subtraction of Fractions 7/20 and 18/4
1. How do you subtract fractions with different denominators 7/20 and 18/4?
To subtract fractions 7/20 and 18/4 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 -83/20.
2. What is 7/20 minus 18/4 as a fraction?
7/20 minus 18/4 as a fraction is equal to -83/20.
3. How to subtract 7/20 and 18/4 on a calculator?
You have to give these numbers 7/20 and 18/4 in the input fields and press the calculate button of the tool to avail the answer -83/20 quickly.