Add 16/15 and 21/60
1st number: 1 1/15, 2nd number: 21/60
16/15 + 21/60 is 17/12.
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,
16/15 = 16 × 4/15 × 4 = 64/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Add the two like fractions:
64/60 + 21/60 = 64 + 21/60 = 85/60 - 85/60 simplified gives 17/12
- So, 16/15 + 21/60 = 17/12
In mixed form: 15/12
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