Answers

Add 63/16 and 45/80

1^st number: 3 15/16, 2^nd number: 45/80

63/16 + 45/80 is 9/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 16 × 5 = 80,
   63/16 = 63 × 5/16 × 5 = 315/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   45/80 = 45 × 1/80 × 1 = 45/80
4. Add the two like fractions:
   315/80 + 45/80 = 315 + 45/80 = 360/80
5. 360/80 simplified gives 9/2
6. So, 63/16 + 45/80 = 9/2
   In mixed form: 41/2

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