Add 18/56 and 2/21
18/56 + 2/21 is 5/12.
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,
18/56 = 18 × 3/56 × 3 = 54/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
2/21 = 2 × 8/21 × 8 = 16/168 - Add the two like fractions:
54/168 + 16/168 = 54 + 16/168 = 70/168 - 70/168 simplified gives 5/12
- So, 18/56 + 2/21 = 5/12
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