Add 21/14 and 15/28
1st number: 1 7/14, 2nd number: 15/28
21/14 + 15/28 is 57/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
21/14 = 21 × 2/14 × 2 = 42/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
15/28 = 15 × 1/28 × 1 = 15/28 - Add the two like fractions:
42/28 + 15/28 = 42 + 15/28 = 57/28 - So, 21/14 + 15/28 = 57/28
In mixed form: 21/28
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