Add 20/56 and 28/42
20/56 + 28/42 is 43/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
20/56 = 20 × 3/56 × 3 = 60/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
28/42 = 28 × 4/42 × 4 = 112/168 - Add the two like fractions:
60/168 + 112/168 = 60 + 112/168 = 172/168 - 172/168 simplified gives 43/42
- So, 20/56 + 28/42 = 43/42
In mixed form: 11/42
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