Answers

Subtract 7/15 from 63/81

63/81 - 7/15 is 14/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 15 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 81 × 5 = 405,
   63/81 = 63 × 5/81 × 5 = 315/405
3. Likewise, for the 2nd fraction, since 15 × 27 = 405,
   7/15 = 7 × 27/15 × 27 = 189/405
4. Subtract the two like fractions:
   315/405 - 189/405 = 315 - 189/405 = 126/405
5. After reducing the fraction, the answer is 14/45

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