Answers

Add 84/24 and 90/15

1^st number: 3 12/24, 2^nd number: 6 0/15

84/24 + 90/15 is 19/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 15 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 24 × 5 = 120,
   84/24 = 84 × 5/24 × 5 = 420/120
3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
   90/15 = 90 × 8/15 × 8 = 720/120
4. Add the two like fractions:
   420/120 + 720/120 = 420 + 720/120 = 1140/120
5. 1140/120 simplified gives 19/2
6. So, 84/24 + 90/15 = 19/2
   In mixed form: 91/2

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