Add 84/42 and 7/12, Solve 2 0/42 + 7/12 as a fraction

Add 84/42 and 7/12

1^st number: 2 0/42, 2^nd number: 7/12

84/42 + 7/12 is 31/12.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 42 × 2 = 84,
84/42 = 84 × 2/42 × 2 = 168/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
7/12 = 7 × 7/12 × 7 = 49/84
Add the two like fractions:
168/84 + 49/84 = 168 + 49/84 = 217/84
217/84 simplified gives 31/12
So, 84/42 + 7/12 = 31/12
In mixed form: 27/12

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