20/15 Minus 18/9, Solve 20/15 - 18/9 as a Fraction
Calculate the subtraction of fractions 20/15 and 18/9 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.
How do you Subtract Fractions 20/15 and 18/9?
The given fractions are 20/15 and 18/9
Firstly the L.C.M should be done for the denominators of the two fractions 20/15 and 18/9
20/15 - 18/9
The LCM of 15 and 9 (denominators of the fractions) is 45
| 3 | 15, 9 |
| 5, 3 |
So the lcm of the given numbers is 3 x 5 x 3 = 45
= 20 x 3 - 18 x 5/45
= 60 - 90/45
= -30/45
= -2/3
Result: -2/3
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FAQs on Subtraction of Fractions 20/15 and 18/9
1. How do you subtract fractions with different denominators 20/15 and 18/9?
To subtract fractions 20/15 and 18/9 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 15 and 9 value i.e 45. After that add numerators and simplify the fraction i.e -2/3.
2. What is 20/15 minus 18/9 as a fraction?
20/15 minus 18/9 as a fraction is equal to -2/3.
3. How to subtract 20/15 and 18/9 on a calculator?
You have to give these numbers 20/15 and 18/9 in the input fields and press the calculate button of the tool to avail the answer -2/3 quickly.