Add 3/12 and 56/7, Solve 3/12 + 8 0/7 as a fraction

Add 3/12 and 56/7

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

3/12 + 56/7 is 33/4.

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,
3/12 = 3 × 7/12 × 7 = 21/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
56/7 = 56 × 12/7 × 12 = 672/84
Add the two like fractions:
21/84 + 672/84 = 21 + 672/84 = 693/84
693/84 simplified gives 33/4
So, 3/12 + 56/7 = 33/4
In mixed form: 81/4

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