Add 15/16 and 42/63
15/16 + 42/63 is 77/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 16 × 63 = 1008,
15/16 = 15 × 63/16 × 63 = 945/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
42/63 = 42 × 16/63 × 16 = 672/1008 - Add the two like fractions:
945/1008 + 672/1008 = 945 + 672/1008 = 1617/1008 - 1617/1008 simplified gives 77/48
- So, 15/16 + 42/63 = 77/48
In mixed form: 129/48
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