Answers

Add 1/80 and 45/20

1^st number: 1/80, 2^nd number: 2 5/20

1/80 + 45/20 is 181/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 20 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   1/80 = 1 × 1/80 × 1 = 1/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   45/20 = 45 × 4/20 × 4 = 180/80
4. Add the two like fractions:
   1/80 + 180/80 = 1 + 180/80 = 181/80
5. So, 1/80 + 45/20 = 181/80
   In mixed form: 221/80

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