Answers

Add 6/2 and 84/21

1^st number: 3 0/2, 2^nd number: 4 0/21

6/2 + 84/21 is 7/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 21 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 2 × 21 = 42,
   6/2 = 6 × 21/2 × 21 = 126/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   84/21 = 84 × 2/21 × 2 = 168/42
4. Add the two like fractions:
   126/42 + 168/42 = 126 + 168/42 = 294/42
5. 294/42 simplified gives 7/1
6. So, 6/2 + 84/21 = 7/1

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