Add 63/42 and 7/54, Solve 1 21/42 + 7/54 as a fraction

Add 63/42 and 7/54

1^st number: 1 21/42, 2^nd number: 7/54

63/42 + 7/54 is 44/27.

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,
63/42 = 63 × 9/42 × 9 = 567/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
7/54 = 7 × 7/54 × 7 = 49/378
Add the two like fractions:
567/378 + 49/378 = 567 + 49/378 = 616/378
616/378 simplified gives 44/27
So, 63/42 + 7/54 = 44/27
In mixed form: 117/27

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