Add 70/42 and 1/18, Solve 1 28/42 + 1/18 as a fraction

Add 70/42 and 1/18

1^st number: 1 28/42, 2^nd number: 1/18

70/42 + 1/18 is 31/18.

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,
70/42 = 70 × 3/42 × 3 = 210/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
1/18 = 1 × 7/18 × 7 = 7/126
Add the two like fractions:
210/126 + 7/126 = 210 + 7/126 = 217/126
217/126 simplified gives 31/18
So, 70/42 + 1/18 = 31/18
In mixed form: 113/18

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