Answers

Add 15/5 and 45/80

1^st number: 3 0/5, 2^nd number: 45/80

15/5 + 45/80 is 57/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 5 × 16 = 80,
   15/5 = 15 × 16/5 × 16 = 240/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   45/80 = 45 × 1/80 × 1 = 45/80
4. Add the two like fractions:
   240/80 + 45/80 = 240 + 45/80 = 285/80
5. 285/80 simplified gives 57/16
6. So, 15/5 + 45/80 = 57/16
   In mixed form: 39/16

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