Add 8/42 and 63/27, Solve 8/42 + 2 9/27 as a fraction

Add 8/42 and 63/27

1^st number: 8/42, 2^nd number: 2 9/27

8/42 + 63/27 is 53/21.

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,
63/27 = 63 × 14/27 × 14 = 882/378
Add the two like fractions:
72/378 + 882/378 = 72 + 882/378 = 954/378
954/378 simplified gives 53/21
So, 8/42 + 63/27 = 53/21
In mixed form: 211/21

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