Add 21/28 and 54/14
1st number: 21/28, 2nd number: 3 12/14
21/28 + 54/14 is 129/28.
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,
54/14 = 54 × 2/14 × 2 = 108/28 - Add the two like fractions:
21/28 + 108/28 = 21 + 108/28 = 129/28 - So, 21/28 + 54/14 = 129/28
In mixed form: 417/28
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