Add 84/36 and 9/42, Solve 2 12/36 + 9/42 as a fraction

Add 84/36 and 9/42

1^st number: 2 12/36, 2^nd number: 9/42

84/36 + 9/42 is 107/42.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
84/36 = 84 × 7/36 × 7 = 588/252
Likewise, for the 2nd fraction, since 42 × 6 = 252,
9/42 = 9 × 6/42 × 6 = 54/252
Add the two like fractions:
588/252 + 54/252 = 588 + 54/252 = 642/252
642/252 simplified gives 107/42
So, 84/36 + 9/42 = 107/42
In mixed form: 223/42

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