Add 84/63 and 49/15
1st number: 1 21/63, 2nd number: 3 4/15
84/63 + 49/15 is 23/5.
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,
49/15 = 49 × 21/15 × 21 = 1029/315 - Add the two like fractions:
420/315 + 1029/315 = 420 + 1029/315 = 1449/315 - 1449/315 simplified gives 23/5
- So, 84/63 + 49/15 = 23/5
In mixed form: 43/5
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