Add 84/42 and 96/63, Solve 2 0/42 + 1 33/63 as a fraction

Add 84/42 and 96/63

1^st number: 2 0/42, 2^nd number: 1 33/63

84/42 + 96/63 is 74/21.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
84/42 = 84 × 3/42 × 3 = 252/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
96/63 = 96 × 2/63 × 2 = 192/126
Add the two like fractions:
252/126 + 192/126 = 252 + 192/126 = 444/126
444/126 simplified gives 74/21
So, 84/42 + 96/63 = 74/21
In mixed form: 311/21

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