Add 42/2 and 15/63
1st number: 21 0/2, 2nd number: 15/63
42/2 + 15/63 is 446/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
42/2 = 42 × 63/2 × 63 = 2646/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
15/63 = 15 × 2/63 × 2 = 30/126 - Add the two like fractions:
2646/126 + 30/126 = 2646 + 30/126 = 2676/126 - 2676/126 simplified gives 446/21
- So, 42/2 + 15/63 = 446/21
In mixed form: 215/21
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