Add 90/42 and 42/63
1st number: 2 6/42, 2nd number: 42/63
90/42 + 42/63 is 59/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
90/42 = 90 × 3/42 × 3 = 270/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
42/63 = 42 × 2/63 × 2 = 84/126 - Add the two like fractions:
270/126 + 84/126 = 270 + 84/126 = 354/126 - 354/126 simplified gives 59/21
- So, 90/42 + 42/63 = 59/21
In mixed form: 217/21
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