Add 28/6 and 21/63, Solve 4 4/6 + 21/63 as a fraction

Add 28/6 and 21/63

1^st number: 4 4/6, 2^nd number: 21/63

28/6 + 21/63 is 5/1.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 6 × 21 = 126,
28/6 = 28 × 21/6 × 21 = 588/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
21/63 = 21 × 2/63 × 2 = 42/126
Add the two like fractions:
588/126 + 42/126 = 588 + 42/126 = 630/126
630/126 simplified gives 5/1
So, 28/6 + 21/63 = 5/1

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