Add 10/84 and 84/63
1st number: 10/84, 2nd number: 1 21/63
10/84 + 84/63 is 61/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
10/84 = 10 × 3/84 × 3 = 30/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
84/63 = 84 × 4/63 × 4 = 336/252 - Add the two like fractions:
30/252 + 336/252 = 30 + 336/252 = 366/252 - 366/252 simplified gives 61/42
- So, 10/84 + 84/63 = 61/42
In mixed form: 119/42
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