Add 3/42 and 30/27, Solve 3/42 + 1 3/27 as a fraction

Add 3/42 and 30/27

1^st number: 3/42, 2^nd number: 1 3/27

3/42 + 30/27 is 149/126.

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,
3/42 = 3 × 9/42 × 9 = 27/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
30/27 = 30 × 14/27 × 14 = 420/378
Add the two like fractions:
27/378 + 420/378 = 27 + 420/378 = 447/378
447/378 simplified gives 149/126
So, 3/42 + 30/27 = 149/126
In mixed form: 123/126

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