Add 21/3 and 28/84
1st number: 7 0/3, 2nd number: 28/84
21/3 + 28/84 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
21/3 = 21 × 28/3 × 28 = 588/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
28/84 = 28 × 1/84 × 1 = 28/84 - Add the two like fractions:
588/84 + 28/84 = 588 + 28/84 = 616/84 - 616/84 simplified gives 22/3
- So, 21/3 + 28/84 = 22/3
In mixed form: 71/3
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