Answers

Add 84/4 and 28/7

1^st number: 21 0/4, 2^nd number: 4 0/7

84/4 + 28/7 is 25/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 7 is 28
   
   Next, find the equivalent fraction of both fractional numbers with denominator 28
2. For the 1st fraction, since 4 × 7 = 28,
   84/4 = 84 × 7/4 × 7 = 588/28
3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
   28/7 = 28 × 4/7 × 4 = 112/28
4. Add the two like fractions:
   588/28 + 112/28 = 588 + 112/28 = 700/28
5. 700/28 simplified gives 25/1
6. So, 84/4 + 28/7 = 25/1

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