Add 15/2 and 21/16
1st number: 7 1/2, 2nd number: 1 5/16
15/2 + 21/16 is 141/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
15/2 = 15 × 8/2 × 8 = 120/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
21/16 = 21 × 1/16 × 1 = 21/16 - Add the two like fractions:
120/16 + 21/16 = 120 + 21/16 = 141/16 - So, 15/2 + 21/16 = 141/16
In mixed form: 813/16
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