Answers

Add 45/20 and 15/4

1^st number: 2 5/20, 2^nd number: 3 3/4

45/20 + 15/4 is 6/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 4 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   45/20 = 45 × 1/20 × 1 = 45/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   15/4 = 15 × 5/4 × 5 = 75/20
4. Add the two like fractions:
   45/20 + 75/20 = 45 + 75/20 = 120/20
5. 120/20 simplified gives 6/1
6. So, 45/20 + 15/4 = 6/1

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