Add 42/56 and 81/5
1st number: 42/56, 2nd number: 16 1/5
42/56 + 81/5 is 339/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 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 5 × 56 = 280,
81/5 = 81 × 56/5 × 56 = 4536/280 - Add the two like fractions:
210/280 + 4536/280 = 210 + 4536/280 = 4746/280 - 4746/280 simplified gives 339/20
- So, 42/56 + 81/5 = 339/20
In mixed form: 1619/20
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