Add 21/8 and 56/7, Solve 2 5/8 + 8 0/7 as a fraction

Add 21/8 and 56/7

1^st number: 2 5/8, 2^nd number: 8 0/7

21/8 + 56/7 is 85/8.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 8 × 7 = 56,
21/8 = 21 × 7/8 × 7 = 147/56
Likewise, for the 2nd fraction, since 7 × 8 = 56,
56/7 = 56 × 8/7 × 8 = 448/56
Add the two like fractions:
147/56 + 448/56 = 147 + 448/56 = 595/56
595/56 simplified gives 85/8
So, 21/8 + 56/7 = 85/8
In mixed form: 105/8

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