Add 63/3 and 72/15
1st number: 21 0/3, 2nd number: 4 12/15
63/3 + 72/15 is 129/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
63/3 = 63 × 5/3 × 5 = 315/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
72/15 = 72 × 1/15 × 1 = 72/15 - Add the two like fractions:
315/15 + 72/15 = 315 + 72/15 = 387/15 - 387/15 simplified gives 129/5
- So, 63/3 + 72/15 = 129/5
In mixed form: 254/5
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