Answers

Add 70/15 and 45/12

1^st number: 4 10/15, 2^nd number: 3 9/12

70/15 + 45/12 is 101/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 15 × 4 = 60,
   70/15 = 70 × 4/15 × 4 = 280/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   45/12 = 45 × 5/12 × 5 = 225/60
4. Add the two like fractions:
   280/60 + 225/60 = 280 + 225/60 = 505/60
5. 505/60 simplified gives 101/12
6. So, 70/15 + 45/12 = 101/12
   In mixed form: 85/12

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