Add 54/56 and 21/28
54/56 + 21/28 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
54/56 = 54 × 1/56 × 1 = 54/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
21/28 = 21 × 2/28 × 2 = 42/56 - Add the two like fractions:
54/56 + 42/56 = 54 + 42/56 = 96/56 - 96/56 simplified gives 12/7
- So, 54/56 + 21/28 = 12/7
In mixed form: 15/7
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