Add 21/16 and 28/8
1st number: 1 5/16, 2nd number: 3 4/8
21/16 + 28/8 is 77/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 8 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 16 × 1 = 16,
21/16 = 21 × 1/16 × 1 = 21/16 - Likewise, for the 2nd fraction, since 8 × 2 = 16,
28/8 = 28 × 2/8 × 2 = 56/16 - Add the two like fractions:
21/16 + 56/16 = 21 + 56/16 = 77/16 - So, 21/16 + 28/8 = 77/16
In mixed form: 413/16
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