Answers

Add 72/15 and 42/24

1^st number: 4 12/15, 2^nd number: 1 18/24

72/15 + 42/24 is 131/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 24 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 15 × 8 = 120,
   72/15 = 72 × 8/15 × 8 = 576/120
3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
   42/24 = 42 × 5/24 × 5 = 210/120
4. Add the two like fractions:
   576/120 + 210/120 = 576 + 210/120 = 786/120
5. 786/120 simplified gives 131/20
6. So, 72/15 + 42/24 = 131/20
   In mixed form: 611/20

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