Answers

Add 8/20 and 63/16

1^st number: 8/20, 2^nd number: 3 15/16

8/20 + 63/16 is 347/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 20 × 4 = 80,
   8/20 = 8 × 4/20 × 4 = 32/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   63/16 = 63 × 5/16 × 5 = 315/80
4. Add the two like fractions:
   32/80 + 315/80 = 32 + 315/80 = 347/80
5. So, 8/20 + 63/16 = 347/80
   In mixed form: 427/80

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