Answers

Subtract 1/81 from 28/25

1^st number: 1 3/25, 2^nd number: 1/81

28/25 - 1/81 is 2243/2025.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 81 is 2025
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2025
2. For the 1st fraction, since 25 × 81 = 2025,
   28/25 = 28 × 81/25 × 81 = 2268/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   1/81 = 1 × 25/81 × 25 = 25/2025
4. Subtract the two like fractions:
   2268/2025 - 25/2025 = 2268 - 25/2025 = 2243/2025
5. In mixed form: 1218/2025

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