Add 21/3 and 4/42, Solve 7 0/3 + 4/42 as a fraction

Add 21/3 and 4/42

1^st number: 7 0/3, 2^nd number: 4/42

21/3 + 4/42 is 149/21.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 3 × 14 = 42,
21/3 = 21 × 14/3 × 14 = 294/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
4/42 = 4 × 1/42 × 1 = 4/42
Add the two like fractions:
294/42 + 4/42 = 294 + 4/42 = 298/42
298/42 simplified gives 149/21
So, 21/3 + 4/42 = 149/21
In mixed form: 72/21

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