Add 42/27 and 15/12
1st number: 1 15/27, 2nd number: 1 3/12
42/27 + 15/12 is 101/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
42/27 = 42 × 4/27 × 4 = 168/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
15/12 = 15 × 9/12 × 9 = 135/108 - Add the two like fractions:
168/108 + 135/108 = 168 + 135/108 = 303/108 - 303/108 simplified gives 101/36
- So, 42/27 + 15/12 = 101/36
In mixed form: 229/36
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