Add 15/12 and 30/27
1st number: 1 3/12, 2nd number: 1 3/27
15/12 + 30/27 is 85/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
15/12 = 15 × 9/12 × 9 = 135/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
30/27 = 30 × 4/27 × 4 = 120/108 - Add the two like fractions:
135/108 + 120/108 = 135 + 120/108 = 255/108 - 255/108 simplified gives 85/36
- So, 15/12 + 30/27 = 85/36
In mixed form: 213/36
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