Add 72/42 and 8/18, Solve 1 30/42 + 8/18 as a fraction

Add 72/42 and 8/18

1^st number: 1 30/42, 2^nd number: 8/18

72/42 + 8/18 is 136/63.

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

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
72/42 = 72 × 3/42 × 3 = 216/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
8/18 = 8 × 7/18 × 7 = 56/126
Add the two like fractions:
216/126 + 56/126 = 216 + 56/126 = 272/126
272/126 simplified gives 136/63
So, 72/42 + 8/18 = 136/63
In mixed form: 210/63

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