Add 28/4 and 2/21, Solve 7 0/4 + 2/21 as a fraction

Add 28/4 and 2/21

1^st number: 7 0/4, 2^nd number: 2/21

28/4 + 2/21 is 149/21.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
28/4 = 28 × 21/4 × 21 = 588/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
2/21 = 2 × 4/21 × 4 = 8/84
Add the two like fractions:
588/84 + 8/84 = 588 + 8/84 = 596/84
596/84 simplified gives 149/21
So, 28/4 + 2/21 = 149/21
In mixed form: 72/21

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