Add 3/56 and 12/21
3/56 + 12/21 is 5/8.
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,
3/56 = 3 × 3/56 × 3 = 9/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
12/21 = 12 × 8/21 × 8 = 96/168 - Add the two like fractions:
9/168 + 96/168 = 9 + 96/168 = 105/168 - 105/168 simplified gives 5/8
- So, 3/56 + 12/21 = 5/8
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