Add 70/15 and 81/60
1st number: 4 10/15, 2nd number: 1 21/60
70/15 + 81/60 is 361/60.
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,
70/15 = 70 × 4/15 × 4 = 280/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Add the two like fractions:
280/60 + 81/60 = 280 + 81/60 = 361/60 - So, 70/15 + 81/60 = 361/60
In mixed form: 61/60
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