Answers

Add 45/20 and 7/5

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

45/20 + 7/5 is 73/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 5 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 5 × 4 = 20,
   7/5 = 7 × 4/5 × 4 = 28/20
4. Add the two like fractions:
   45/20 + 28/20 = 45 + 28/20 = 73/20
5. So, 45/20 + 7/5 = 73/20
   In mixed form: 313/20

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