Add 21/7 and 60/8, Solve 3 0/7 + 7 4/8 as a fraction

Add 21/7 and 60/8

1^st number: 3 0/7, 2^nd number: 7 4/8

21/7 + 60/8 is 21/2.

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,
21/7 = 21 × 8/7 × 8 = 168/56
Likewise, for the 2nd fraction, since 8 × 7 = 56,
60/8 = 60 × 7/8 × 7 = 420/56
Add the two like fractions:
168/56 + 420/56 = 168 + 420/56 = 588/56
588/56 simplified gives 21/2
So, 21/7 + 60/8 = 21/2
In mixed form: 101/2

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