Add 63/42 and 5/27, Solve 1 21/42 + 5/27 as a fraction

Add 63/42 and 5/27

1^st number: 1 21/42, 2^nd number: 5/27

63/42 + 5/27 is 91/54.

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,
63/42 = 63 × 9/42 × 9 = 567/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
5/27 = 5 × 14/27 × 14 = 70/378
Add the two like fractions:
567/378 + 70/378 = 567 + 70/378 = 637/378
637/378 simplified gives 91/54
So, 63/42 + 5/27 = 91/54
In mixed form: 137/54

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