Answers

Subtract 90/81 from 48/15

1^st number: 3 3/15, 2^nd number: 1 9/81

48/15 - 90/81 is 94/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 15 × 27 = 405,
   48/15 = 48 × 27/15 × 27 = 1296/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   90/81 = 90 × 5/81 × 5 = 450/405
4. Subtract the two like fractions:
   1296/405 - 450/405 = 1296 - 450/405 = 846/405
5. After reducing the fraction, the answer is 94/45
6. In mixed form: 24/45

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