Answers

Add 28/14 and 84/21

1^st number: 2 0/14, 2^nd number: 4 0/21

28/14 + 84/21 is 6/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 21 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 14 × 3 = 42,
   28/14 = 28 × 3/14 × 3 = 84/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   84/21 = 84 × 2/21 × 2 = 168/42
4. Add the two like fractions:
   84/42 + 168/42 = 84 + 168/42 = 252/42
5. 252/42 simplified gives 6/1
6. So, 28/14 + 84/21 = 6/1

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