Add 12/56 and 56/21
1st number: 12/56, 2nd number: 2 14/21
12/56 + 56/21 is 121/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
12/56 = 12 × 3/56 × 3 = 36/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
56/21 = 56 × 8/21 × 8 = 448/168 - Add the two like fractions:
36/168 + 448/168 = 36 + 448/168 = 484/168 - 484/168 simplified gives 121/42
- So, 12/56 + 56/21 = 121/42
In mixed form: 237/42
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