Answers

Add 90/24 and 15/30

1^st number: 3 18/24, 2^nd number: 15/30

90/24 + 15/30 is 17/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 30 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 24 × 5 = 120,
   90/24 = 90 × 5/24 × 5 = 450/120
3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
   15/30 = 15 × 4/30 × 4 = 60/120
4. Add the two like fractions:
   450/120 + 60/120 = 450 + 60/120 = 510/120
5. 510/120 simplified gives 17/4
6. So, 90/24 + 15/30 = 17/4
   In mixed form: 41/4

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