Add 21/56 and 20/24
21/56 + 20/24 is 29/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Add the two like fractions:
63/168 + 140/168 = 63 + 140/168 = 203/168 - 203/168 simplified gives 29/24
- So, 21/56 + 20/24 = 29/24
In mixed form: 15/24
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