Add 8/84 and 42/12, Solve 8/84 + 3 6/12 as a fraction

Add 8/84 and 42/12

1^st number: 8/84, 2^nd number: 3 6/12

8/84 + 42/12 is 151/42.

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

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
42/12 = 42 × 7/12 × 7 = 294/84
Add the two like fractions:
8/84 + 294/84 = 8 + 294/84 = 302/84
302/84 simplified gives 151/42
So, 8/84 + 42/12 = 151/42
In mixed form: 325/42

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