Add 15/56 and 21/84
15/56 + 21/84 is 29/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
21/84 = 21 × 2/84 × 2 = 42/168 - Add the two like fractions:
45/168 + 42/168 = 45 + 42/168 = 87/168 - 87/168 simplified gives 29/56
- So, 15/56 + 21/84 = 29/56
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