Answers

Add 90/25 and 28/84

1^st number: 3 15/25, 2^nd number: 28/84

90/25 + 28/84 is 59/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 25 × 84 = 2100,
   90/25 = 90 × 84/25 × 84 = 7560/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   28/84 = 28 × 25/84 × 25 = 700/2100
4. Add the two like fractions:
   7560/2100 + 700/2100 = 7560 + 700/2100 = 8260/2100
5. 8260/2100 simplified gives 59/15
6. So, 90/25 + 28/84 = 59/15
   In mixed form: 314/15

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