Answers

Add 21/3 and 84/28

1^st number: 7 0/3, 2^nd number: 3 0/28

21/3 + 84/28 is 10/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 28 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 3 × 28 = 84,
   21/3 = 21 × 28/3 × 28 = 588/84
3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
   84/28 = 84 × 3/28 × 3 = 252/84
4. Add the two like fractions:
   588/84 + 252/84 = 588 + 252/84 = 840/84
5. 840/84 simplified gives 10/1
6. So, 21/3 + 84/28 = 10/1

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