Add 8/12 and 21/7, Solve 8/12 + 3 0/7 as a fraction

Add 8/12 and 21/7

1^st number: 8/12, 2^nd number: 3 0/7

8/12 + 21/7 is 11/3.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
21/7 = 21 × 12/7 × 12 = 252/84
Add the two like fractions:
56/84 + 252/84 = 56 + 252/84 = 308/84
308/84 simplified gives 11/3
So, 8/12 + 21/7 = 11/3
In mixed form: 32/3

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