Add 42/12 and 56/7, Solve 3 6/12 + 8 0/7 as a fraction

Add 42/12 and 56/7

1^st number: 3 6/12, 2^nd number: 8 0/7

42/12 + 56/7 is 23/2.

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,
42/12 = 42 × 7/12 × 7 = 294/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
56/7 = 56 × 12/7 × 12 = 672/84
Add the two like fractions:
294/84 + 672/84 = 294 + 672/84 = 966/84
966/84 simplified gives 23/2
So, 42/12 + 56/7 = 23/2
In mixed form: 111/2

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