Add 21/28 and 5/14
21/28 + 5/14 is 31/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
21/28 = 21 × 1/28 × 1 = 21/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
5/14 = 5 × 2/14 × 2 = 10/28 - Add the two like fractions:
21/28 + 10/28 = 21 + 10/28 = 31/28 - So, 21/28 + 5/14 = 31/28
In mixed form: 13/28
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