Add 27/15 and 42/30
1st number: 1 12/15, 2nd number: 1 12/30
27/15 + 42/30 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
27/15 = 27 × 2/15 × 2 = 54/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
42/30 = 42 × 1/30 × 1 = 42/30 - Add the two like fractions:
54/30 + 42/30 = 54 + 42/30 = 96/30 - 96/30 simplified gives 16/5
- So, 27/15 + 42/30 = 16/5
In mixed form: 31/5
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