Add 72/15 and 63/60
1st number: 4 12/15, 2nd number: 1 3/60
72/15 + 63/60 is 117/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
72/15 = 72 × 4/15 × 4 = 288/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
63/60 = 63 × 1/60 × 1 = 63/60 - Add the two like fractions:
288/60 + 63/60 = 288 + 63/60 = 351/60 - 351/60 simplified gives 117/20
- So, 72/15 + 63/60 = 117/20
In mixed form: 517/20
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