Add 84/12 and 27/42, Solve 7 0/12 + 27/42 as a fraction

Add 84/12 and 27/42

1^st number: 7 0/12, 2^nd number: 27/42

84/12 + 27/42 is 107/14.

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

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
84/12 = 84 × 7/12 × 7 = 588/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
27/42 = 27 × 2/42 × 2 = 54/84
Add the two like fractions:
588/84 + 54/84 = 588 + 54/84 = 642/84
642/84 simplified gives 107/14
So, 84/12 + 27/42 = 107/14
In mixed form: 79/14

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