Add 42/2 and 81/63
1st number: 21 0/2, 2nd number: 1 18/63
42/2 + 81/63 is 156/7.
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,
81/63 = 81 × 2/63 × 2 = 162/126 - Add the two like fractions:
2646/126 + 162/126 = 2646 + 162/126 = 2808/126 - 2808/126 simplified gives 156/7
- So, 42/2 + 81/63 = 156/7
In mixed form: 222/7
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