Answers

Subtract 96/81 from 90/45

1^st number: 2 0/45, 2^nd number: 1 15/81

90/45 - 96/81 is 22/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 45 × 9 = 405,
   90/45 = 90 × 9/45 × 9 = 810/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   96/81 = 96 × 5/81 × 5 = 480/405
4. Subtract the two like fractions:
   810/405 - 480/405 = 810 - 480/405 = 330/405
5. After reducing the fraction, the answer is 22/27

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