Add 20/27 and 15/12
1st number: 20/27, 2nd number: 1 3/12
20/27 + 15/12 is 215/108.
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,
20/27 = 20 × 4/27 × 4 = 80/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
15/12 = 15 × 9/12 × 9 = 135/108 - Add the two like fractions:
80/108 + 135/108 = 80 + 135/108 = 215/108 - So, 20/27 + 15/12 = 215/108
In mixed form: 1107/108
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