Answers

Subtract 9/80 from 28/25

1^st number: 1 3/25, 2^nd number: 9/80

28/25 - 9/80 is 403/400.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 80 is 400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 400
2. For the 1st fraction, since 25 × 16 = 400,
   28/25 = 28 × 16/25 × 16 = 448/400
3. Likewise, for the 2nd fraction, since 80 × 5 = 400,
   9/80 = 9 × 5/80 × 5 = 45/400
4. Subtract the two like fractions:
   448/400 - 45/400 = 448 - 45/400 = 403/400
5. In mixed form: 13/400

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