Add 21/30 and 16/15
1st number: 21/30, 2nd number: 1 1/15
21/30 + 16/15 is 53/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
21/30 = 21 × 1/30 × 1 = 21/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
16/15 = 16 × 2/15 × 2 = 32/30 - Add the two like fractions:
21/30 + 32/30 = 21 + 32/30 = 53/30 - So, 21/30 + 16/15 = 53/30
In mixed form: 123/30
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