Add 56/7 and 20/8
1st number: 8 0/7, 2nd number: 2 4/8
56/7 + 20/8 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
56/7 = 56 × 8/7 × 8 = 448/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
20/8 = 20 × 7/8 × 7 = 140/56 - Add the two like fractions:
448/56 + 140/56 = 448 + 140/56 = 588/56 - 588/56 simplified gives 21/2
- So, 56/7 + 20/8 = 21/2
In mixed form: 101/2
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