Add 15/12 and 56/7, Solve 1 3/12 + 8 0/7 as a fraction

Add 15/12 and 56/7

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

15/12 + 56/7 is 37/4.

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,
15/12 = 15 × 7/12 × 7 = 105/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
56/7 = 56 × 12/7 × 12 = 672/84
Add the two like fractions:
105/84 + 672/84 = 105 + 672/84 = 777/84
777/84 simplified gives 37/4
So, 15/12 + 56/7 = 37/4
In mixed form: 91/4

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