Answers

Add 90/24 and 21/4

1^st number: 3 18/24, 2^nd number: 5 1/4

90/24 + 21/4 is 9/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 4 is 24
   
   Next, find the equivalent fraction of both fractional numbers with denominator 24
2. For the 1st fraction, since 24 × 1 = 24,
   90/24 = 90 × 1/24 × 1 = 90/24
3. Likewise, for the 2nd fraction, since 4 × 6 = 24,
   21/4 = 21 × 6/4 × 6 = 126/24
4. Add the two like fractions:
   90/24 + 126/24 = 90 + 126/24 = 216/24
5. 216/24 simplified gives 9/1
6. So, 90/24 + 21/4 = 9/1

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