Answers

Add 15/30 and 45/12

1^st number: 15/30, 2^nd number: 3 9/12

15/30 + 45/12 is 17/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 30 × 2 = 60,
   15/30 = 15 × 2/30 × 2 = 30/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   45/12 = 45 × 5/12 × 5 = 225/60
4. Add the two like fractions:
   30/60 + 225/60 = 30 + 225/60 = 255/60
5. 255/60 simplified gives 17/4
6. So, 15/30 + 45/12 = 17/4
   In mixed form: 41/4

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