Add 63/3 and 42/8, Solve 21 0/3 + 5 2/8 as a fraction

Add 63/3 and 42/8

1^st number: 21 0/3, 2^nd number: 5 2/8

63/3 + 42/8 is 105/4.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 is 24

Next, find the equivalent fraction of both fractional numbers with denominator 24
For the 1st fraction, since 3 × 8 = 24,
63/3 = 63 × 8/3 × 8 = 504/24
Likewise, for the 2nd fraction, since 8 × 3 = 24,
42/8 = 42 × 3/8 × 3 = 126/24
Add the two like fractions:
504/24 + 126/24 = 504 + 126/24 = 630/24
630/24 simplified gives 105/4
So, 63/3 + 42/8 = 105/4
In mixed form: 261/4

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