Answers

Add 15/40 and 81/24

1^st number: 15/40, 2^nd number: 3 9/24

15/40 + 81/24 is 15/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 24 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   15/40 = 15 × 3/40 × 3 = 45/120
3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
   81/24 = 81 × 5/24 × 5 = 405/120
4. Add the two like fractions:
   45/120 + 405/120 = 45 + 405/120 = 450/120
5. 450/120 simplified gives 15/4
6. So, 15/40 + 81/24 = 15/4
   In mixed form: 33/4

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