Answers

Add 80/5 and 5/20

1^st number: 16 0/5, 2^nd number: 5/20

80/5 + 5/20 is 65/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 5 × 4 = 20,
   80/5 = 80 × 4/5 × 4 = 320/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   5/20 = 5 × 1/20 × 1 = 5/20
4. Add the two like fractions:
   320/20 + 5/20 = 320 + 5/20 = 325/20
5. 325/20 simplified gives 65/4
6. So, 80/5 + 5/20 = 65/4
   In mixed form: 161/4

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