Answers

Add 63/16 and 8/40

1^st number: 3 15/16, 2^nd number: 8/40

63/16 + 8/40 is 331/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 40 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 40 × 2 = 80,
   8/40 = 8 × 2/40 × 2 = 16/80
4. Add the two like fractions:
   315/80 + 16/80 = 315 + 16/80 = 331/80
5. So, 63/16 + 8/40 = 331/80
   In mixed form: 411/80

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