Add 42/56 and 8/42
42/56 + 8/42 is 79/84.
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,
42/56 = 42 × 3/56 × 3 = 126/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
8/42 = 8 × 4/42 × 4 = 32/168 - Add the two like fractions:
126/168 + 32/168 = 126 + 32/168 = 158/168 - 158/168 simplified gives 79/84
- So, 42/56 + 8/42 = 79/84
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