Add 84/42 and 21/63
1st number: 2 0/42, 2nd number: 21/63
84/42 + 21/63 is 7/3.
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,
84/42 = 84 × 3/42 × 3 = 252/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
21/63 = 21 × 2/63 × 2 = 42/126 - Add the two like fractions:
252/126 + 42/126 = 252 + 42/126 = 294/126 - 294/126 simplified gives 7/3
- So, 84/42 + 21/63 = 7/3
In mixed form: 21/3
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Related: 84/42+42/63