Add 20/27 and 9/15
20/27 + 9/15 is 181/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
20/27 = 20 × 5/27 × 5 = 100/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
9/15 = 9 × 9/15 × 9 = 81/135 - Add the two like fractions:
100/135 + 81/135 = 100 + 81/135 = 181/135 - So, 20/27 + 9/15 = 181/135
In mixed form: 146/135
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