Add 72/15 and 7/63
1st number: 4 12/15, 2nd number: 7/63
72/15 + 7/63 is 221/45.
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,
72/15 = 72 × 21/15 × 21 = 1512/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
7/63 = 7 × 5/63 × 5 = 35/315 - Add the two like fractions:
1512/315 + 35/315 = 1512 + 35/315 = 1547/315 - 1547/315 simplified gives 221/45
- So, 72/15 + 7/63 = 221/45
In mixed form: 441/45
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