Add 84/12 and 28/42, Solve 7 0/12 + 28/42 as a fraction

Add 84/12 and 28/42

1^st number: 7 0/12, 2^nd number: 28/42

84/12 + 28/42 is 23/3.

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,
28/42 = 28 × 2/42 × 2 = 56/84
Add the two like fractions:
588/84 + 56/84 = 588 + 56/84 = 644/84
644/84 simplified gives 23/3
So, 84/12 + 28/42 = 23/3
In mixed form: 72/3

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