20/18 Minus 9/8, Solve 20/18 - 9/8 as a Fraction
Calculate the subtraction of fractions 20/18 and 9/8 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.
How do you Subtract Fractions 20/18 and 9/8?
The given fractions are 20/18 and 9/8
Firstly the L.C.M should be done for the denominators of the two fractions 20/18 and 9/8
20/18 - 9/8
The LCM of 18 and 8 (denominators of the fractions) is 72
| 2 | 18, 8 |
| 9, 4 |
So the lcm of the given numbers is 2 x 9 x 4 = 72
= 20 x 4 - 9 x 9/72
= 80 - 81/72
= -1/72
Result: -1/72
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FAQs on Subtraction of Fractions 20/18 and 9/8
1. How do you subtract fractions with different denominators 20/18 and 9/8?
To subtract fractions 20/18 and 9/8 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 18 and 8 value i.e 72. After that add numerators and simplify the fraction i.e -1/72.
2. What is 20/18 minus 9/8 as a fraction?
20/18 minus 9/8 as a fraction is equal to -1/72.
3. How to subtract 20/18 and 9/8 on a calculator?
You have to give these numbers 20/18 and 9/8 in the input fields and press the calculate button of the tool to avail the answer -1/72 quickly.