Answers

Add 15/42 and 45/24

1^st number: 15/42, 2^nd number: 1 21/24

15/42 + 45/24 is 125/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   15/42 = 15 × 4/42 × 4 = 60/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   45/24 = 45 × 7/24 × 7 = 315/168
4. Add the two like fractions:
   60/168 + 315/168 = 60 + 315/168 = 375/168
5. 375/168 simplified gives 125/56
6. So, 15/42 + 45/24 = 125/56
   In mixed form: 213/56

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