Answers

Subtract 75/81 from 3/56

3/56 - 75/81 is -1319/1512.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 81 is 4536
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4536
2. For the 1st fraction, since 56 × 81 = 4536,
   3/56 = 3 × 81/56 × 81 = 243/4536
3. Likewise, for the 2nd fraction, since 81 × 56 = 4536,
   75/81 = 75 × 56/81 × 56 = 4200/4536
4. Subtract the two like fractions:
   243/4536 - 4200/4536 = 243 - 4200/4536 = -3957/4536
5. After reducing the fraction, the answer is -1319/1512

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