Add 3/12 and 21/56
3/12 + 21/56 is 5/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
3/12 = 3 × 14/12 × 14 = 42/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168 - Add the two like fractions:
42/168 + 63/168 = 42 + 63/168 = 105/168 - 105/168 simplified gives 5/8
- So, 3/12 + 21/56 = 5/8
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