Add 80/42 and 12/27, Solve 1 38/42 + 12/27 as a fraction

Add 80/42 and 12/27

1^st number: 1 38/42, 2^nd number: 12/27

80/42 + 12/27 is 148/63.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 42 × 9 = 378,
80/42 = 80 × 9/42 × 9 = 720/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
12/27 = 12 × 14/27 × 14 = 168/378
Add the two like fractions:
720/378 + 168/378 = 720 + 168/378 = 888/378
888/378 simplified gives 148/63
So, 80/42 + 12/27 = 148/63
In mixed form: 222/63

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