Add 54/15 and 42/27
1st number: 3 9/15, 2nd number: 1 15/27
54/15 + 42/27 is 232/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
54/15 = 54 × 9/15 × 9 = 486/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135 - Add the two like fractions:
486/135 + 210/135 = 486 + 210/135 = 696/135 - 696/135 simplified gives 232/45
- So, 54/15 + 42/27 = 232/45
In mixed form: 57/45
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