Add 6/18 and 80/42, Solve 6/18 + 1 38/42 as a fraction

Add 6/18 and 80/42

1^st number: 6/18, 2^nd number: 1 38/42

6/18 + 80/42 is 47/21.

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,
6/18 = 6 × 7/18 × 7 = 42/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
80/42 = 80 × 3/42 × 3 = 240/126
Add the two like fractions:
42/126 + 240/126 = 42 + 240/126 = 282/126
282/126 simplified gives 47/21
So, 6/18 + 80/42 = 47/21
In mixed form: 25/21

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