Answers

Subtract 9/5 from 45/81

1^st number: 45/81, 2^nd number: 1 4/5

45/81 - 9/5 is -56/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 5 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 81 × 5 = 405,
   45/81 = 45 × 5/81 × 5 = 225/405
3. Likewise, for the 2nd fraction, since 5 × 81 = 405,
   9/5 = 9 × 81/5 × 81 = 729/405
4. Subtract the two like fractions:
   225/405 - 729/405 = 225 - 729/405 = -504/405
5. After reducing the fraction, the answer is -56/45

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