Add 70/18 and 96/42, Solve 3 16/18 + 2 12/42 as a fraction

Add 70/18 and 96/42

1^st number: 3 16/18, 2^nd number: 2 12/42

70/18 + 96/42 is 389/63.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
70/18 = 70 × 7/18 × 7 = 490/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
96/42 = 96 × 3/42 × 3 = 288/126
Add the two like fractions:
490/126 + 288/126 = 490 + 288/126 = 778/126
778/126 simplified gives 389/63
So, 70/18 + 96/42 = 389/63
In mixed form: 611/63

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