Answers

Add 90/24 and 25/84

1^st number: 3 18/24, 2^nd number: 25/84

90/24 + 25/84 is 85/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 84 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 24 × 7 = 168,
   90/24 = 90 × 7/24 × 7 = 630/168
3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
   25/84 = 25 × 2/84 × 2 = 50/168
4. Add the two like fractions:
   630/168 + 50/168 = 630 + 50/168 = 680/168
5. 680/168 simplified gives 85/21
6. So, 90/24 + 25/84 = 85/21
   In mixed form: 41/21

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