Add 30/42 and 80/54, Solve 30/42 + 1 26/54 as a fraction

Add 30/42 and 80/54

1^st number: 30/42, 2^nd number: 1 26/54

30/42 + 80/54 is 415/189.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 42 × 9 = 378,
30/42 = 30 × 9/42 × 9 = 270/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
80/54 = 80 × 7/54 × 7 = 560/378
Add the two like fractions:
270/378 + 560/378 = 270 + 560/378 = 830/378
830/378 simplified gives 415/189
So, 30/42 + 80/54 = 415/189
In mixed form: 237/189

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