Add 56/28 and 21/54
1st number: 2 0/28, 2nd number: 21/54
56/28 + 21/54 is 43/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
56/28 = 56 × 27/28 × 27 = 1512/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
21/54 = 21 × 14/54 × 14 = 294/756 - Add the two like fractions:
1512/756 + 294/756 = 1512 + 294/756 = 1806/756 - 1806/756 simplified gives 43/18
- So, 56/28 + 21/54 = 43/18
In mixed form: 27/18
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