Add 15/16 and 42/72
15/16 + 42/72 is 73/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
15/16 = 15 × 9/16 × 9 = 135/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
42/72 = 42 × 2/72 × 2 = 84/144 - Add the two like fractions:
135/144 + 84/144 = 135 + 84/144 = 219/144 - 219/144 simplified gives 73/48
- So, 15/16 + 42/72 = 73/48
In mixed form: 125/48
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