Answers

Subtract 45/5 from 18/80

1^st number: 18/80, 2^nd number: 9 0/5

18/80 - 45/5 is -351/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 5 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   18/80 = 18 × 1/80 × 1 = 18/80
3. Likewise, for the 2nd fraction, since 5 × 16 = 80,
   45/5 = 45 × 16/5 × 16 = 720/80
4. Subtract the two like fractions:
   18/80 - 720/80 = 18 - 720/80 = -702/80
5. After reducing the fraction, the answer is -351/40

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