Answers

Subtract 9/80 from 28/5

1^st number: 5 3/5, 2^nd number: 9/80

28/5 - 9/80 is 439/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 5 × 16 = 80,
   28/5 = 28 × 16/5 × 16 = 448/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   9/80 = 9 × 1/80 × 1 = 9/80
4. Subtract the two like fractions:
   448/80 - 9/80 = 448 - 9/80 = 439/80
5. In mixed form: 539/80

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