Add 12/5 and 42/63
1st number: 2 2/5, 2nd number: 42/63
12/5 + 42/63 is 46/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
12/5 = 12 × 63/5 × 63 = 756/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
42/63 = 42 × 5/63 × 5 = 210/315 - Add the two like fractions:
756/315 + 210/315 = 756 + 210/315 = 966/315 - 966/315 simplified gives 46/15
- So, 12/5 + 42/63 = 46/15
In mixed form: 31/15
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