Add 28/42 and 42/21, Solve 28/42 + 2 0/21 as a fraction

Add 28/42 and 42/21

1^st number: 28/42, 2^nd number: 2 0/21

28/42 + 42/21 is 8/3.

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

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
28/42 = 28 × 1/42 × 1 = 28/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
42/21 = 42 × 2/21 × 2 = 84/42
Add the two like fractions:
28/42 + 84/42 = 28 + 84/42 = 112/42
112/42 simplified gives 8/3
So, 28/42 + 42/21 = 8/3
In mixed form: 22/3

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