Add 28/6 and 63/21, Solve 4 4/6 + 3 0/21 as a fraction

Add 28/6 and 63/21

1^st number: 4 4/6, 2^nd number: 3 0/21

28/6 + 63/21 is 23/3.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
28/6 = 28 × 7/6 × 7 = 196/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
63/21 = 63 × 2/21 × 2 = 126/42
Add the two like fractions:
196/42 + 126/42 = 196 + 126/42 = 322/42
322/42 simplified gives 23/3
So, 28/6 + 63/21 = 23/3
In mixed form: 72/3

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