Add 21/8 and 27/16
1st number: 2 5/8, 2nd number: 1 11/16
21/8 + 27/16 is 69/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
21/8 = 21 × 2/8 × 2 = 42/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
27/16 = 27 × 1/16 × 1 = 27/16 - Add the two like fractions:
42/16 + 27/16 = 42 + 27/16 = 69/16 - So, 21/8 + 27/16 = 69/16
In mixed form: 45/16
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