Add 56/15 and 42/8
1st number: 3 11/15, 2nd number: 5 2/8
56/15 + 42/8 is 539/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
56/15 = 56 × 8/15 × 8 = 448/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
42/8 = 42 × 15/8 × 15 = 630/120 - Add the two like fractions:
448/120 + 630/120 = 448 + 630/120 = 1078/120 - 1078/120 simplified gives 539/60
- So, 56/15 + 42/8 = 539/60
In mixed form: 859/60
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