Answers

Add 75/20 and 45/16

1^st number: 3 15/20, 2^nd number: 2 13/16

75/20 + 45/16 is 105/16.

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,
   75/20 = 75 × 4/20 × 4 = 300/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   45/16 = 45 × 5/16 × 5 = 225/80
4. Add the two like fractions:
   300/80 + 225/80 = 300 + 225/80 = 525/80
5. 525/80 simplified gives 105/16
6. So, 75/20 + 45/16 = 105/16
   In mixed form: 69/16

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