Add 15/27 and 18/20
15/27 + 18/20 is 131/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
15/27 = 15 × 20/27 × 20 = 300/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
18/20 = 18 × 27/20 × 27 = 486/540 - Add the two like fractions:
300/540 + 486/540 = 300 + 486/540 = 786/540 - 786/540 simplified gives 131/90
- So, 15/27 + 18/20 = 131/90
In mixed form: 141/90
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