Add 3/42 and 20/56
3/42 + 20/56 is 3/7.
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,
3/42 = 3 × 4/42 × 4 = 12/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
20/56 = 20 × 3/56 × 3 = 60/168 - Add the two like fractions:
12/168 + 60/168 = 12 + 60/168 = 72/168 - 72/168 simplified gives 3/7
- So, 3/42 + 20/56 = 3/7
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