Add 8/42 and 84/27, Solve 8/42 + 3 3/27 as a fraction

Add 8/42 and 84/27

1^st number: 8/42, 2^nd number: 3 3/27

8/42 + 84/27 is 208/63.

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,
8/42 = 8 × 9/42 × 9 = 72/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
84/27 = 84 × 14/27 × 14 = 1176/378
Add the two like fractions:
72/378 + 1176/378 = 72 + 1176/378 = 1248/378
1248/378 simplified gives 208/63
So, 8/42 + 84/27 = 208/63
In mixed form: 319/63

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