Add 28/4 and 21/16
1st number: 7 0/4, 2nd number: 1 5/16
28/4 + 21/16 is 133/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
28/4 = 28 × 4/4 × 4 = 112/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
21/16 = 21 × 1/16 × 1 = 21/16 - Add the two like fractions:
112/16 + 21/16 = 112 + 21/16 = 133/16 - So, 28/4 + 21/16 = 133/16
In mixed form: 85/16
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