Add 21/16 and 25/8
1st number: 1 5/16, 2nd number: 3 1/8
21/16 + 25/8 is 71/16.
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,
25/8 = 25 × 2/8 × 2 = 50/16 - Add the two like fractions:
21/16 + 50/16 = 21 + 50/16 = 71/16 - So, 21/16 + 25/8 = 71/16
In mixed form: 47/16
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