Add 12/16 and 42/63
12/16 + 42/63 is 17/12.
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,
12/16 = 12 × 63/16 × 63 = 756/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
42/63 = 42 × 16/63 × 16 = 672/1008 - Add the two like fractions:
756/1008 + 672/1008 = 756 + 672/1008 = 1428/1008 - 1428/1008 simplified gives 17/12
- So, 12/16 + 42/63 = 17/12
In mixed form: 15/12
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