Add 72/42 and 20/27, Solve 1 30/42 + 20/27 as a fraction

Add 72/42 and 20/27

1^st number: 1 30/42, 2^nd number: 20/27

72/42 + 20/27 is 464/189.

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,
72/42 = 72 × 9/42 × 9 = 648/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
20/27 = 20 × 14/27 × 14 = 280/378
Add the two like fractions:
648/378 + 280/378 = 648 + 280/378 = 928/378
928/378 simplified gives 464/189
So, 72/42 + 20/27 = 464/189
In mixed form: 286/189

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