Add 4/42 and 48/56
4/42 + 48/56 is 20/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
4/42 = 4 × 4/42 × 4 = 16/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
48/56 = 48 × 3/56 × 3 = 144/168 - Add the two like fractions:
16/168 + 144/168 = 16 + 144/168 = 160/168 - 160/168 simplified gives 20/21
- So, 4/42 + 48/56 = 20/21
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