Answers

Add 25/2 and 84/4

1^st number: 12 1/2, 2^nd number: 21 0/4

25/2 + 84/4 is 67/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 4 is 4
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4
2. For the 1st fraction, since 2 × 2 = 4,
   25/2 = 25 × 2/2 × 2 = 50/4
3. Likewise, for the 2nd fraction, since 4 × 1 = 4,
   84/4 = 84 × 1/4 × 1 = 84/4
4. Add the two like fractions:
   50/4 + 84/4 = 50 + 84/4 = 134/4
5. 134/4 simplified gives 67/2
6. So, 25/2 + 84/4 = 67/2
   In mixed form: 331/2

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