Add 84/12 and 50/42, Solve 7 0/12 + 1 8/42 as a fraction

Add 84/12 and 50/42

1^st number: 7 0/12, 2^nd number: 1 8/42

84/12 + 50/42 is 172/21.

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,
50/42 = 50 × 2/42 × 2 = 100/84
Add the two like fractions:
588/84 + 100/84 = 588 + 100/84 = 688/84
688/84 simplified gives 172/21
So, 84/12 + 50/42 = 172/21
In mixed form: 84/21

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