Add 7/15 and 84/63
1st number: 7/15, 2nd number: 1 21/63
7/15 + 84/63 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
7/15 = 7 × 21/15 × 21 = 147/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
84/63 = 84 × 5/63 × 5 = 420/315 - Add the two like fractions:
147/315 + 420/315 = 147 + 420/315 = 567/315 - 567/315 simplified gives 9/5
- So, 7/15 + 84/63 = 9/5
In mixed form: 14/5
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