Add 42/56 and 28/70
42/56 + 28/70 is 23/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
42/56 = 42 × 5/56 × 5 = 210/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
28/70 = 28 × 4/70 × 4 = 112/280 - Add the two like fractions:
210/280 + 112/280 = 210 + 112/280 = 322/280 - 322/280 simplified gives 23/20
- So, 42/56 + 28/70 = 23/20
In mixed form: 13/20
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