Answers

Add 56/20 and 45/16

1^st number: 2 16/20, 2^nd number: 2 13/16

56/20 + 45/16 is 449/80.

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,
   56/20 = 56 × 4/20 × 4 = 224/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   45/16 = 45 × 5/16 × 5 = 225/80
4. Add the two like fractions:
   224/80 + 225/80 = 224 + 225/80 = 449/80
5. So, 56/20 + 45/16 = 449/80
   In mixed form: 549/80

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