Add 9/18 and 80/42, Solve 9/18 + 1 38/42 as a fraction

Add 9/18 and 80/42

1^st number: 9/18, 2^nd number: 1 38/42

9/18 + 80/42 is 101/42.

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,
9/18 = 9 × 7/18 × 7 = 63/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
80/42 = 80 × 3/42 × 3 = 240/126
Add the two like fractions:
63/126 + 240/126 = 63 + 240/126 = 303/126
303/126 simplified gives 101/42
So, 9/18 + 80/42 = 101/42
In mixed form: 217/42

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