Add 84/63 and 8/15
1st number: 1 21/63, 2nd number: 8/15
84/63 + 8/15 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
84/63 = 84 × 5/63 × 5 = 420/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
8/15 = 8 × 21/15 × 21 = 168/315 - Add the two like fractions:
420/315 + 168/315 = 420 + 168/315 = 588/315 - 588/315 simplified gives 28/15
- So, 84/63 + 8/15 = 28/15
In mixed form: 113/15
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