Answers

Add 84/2 and 84/21

1^st number: 42 0/2, 2^nd number: 4 0/21

84/2 + 84/21 is 46/1.

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,
   84/2 = 84 × 21/2 × 21 = 1764/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   84/21 = 84 × 2/21 × 2 = 168/42
4. Add the two like fractions:
   1764/42 + 168/42 = 1764 + 168/42 = 1932/42
5. 1932/42 simplified gives 46/1
6. So, 84/2 + 84/21 = 46/1

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