Answers

Subtract 3/56 from 45/81

45/81 - 3/56 is 253/504.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 56 is 4536
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4536
2. For the 1st fraction, since 81 × 56 = 4536,
   45/81 = 45 × 56/81 × 56 = 2520/4536
3. Likewise, for the 2nd fraction, since 56 × 81 = 4536,
   3/56 = 3 × 81/56 × 81 = 243/4536
4. Subtract the two like fractions:
   2520/4536 - 243/4536 = 2520 - 243/4536 = 2277/4536
5. After reducing the fraction, the answer is 253/504

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