Answers

Subtract 7/56 from 10/81

10/81 - 7/56 is -1/648.

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,
   10/81 = 10 × 56/81 × 56 = 560/4536
3. Likewise, for the 2nd fraction, since 56 × 81 = 4536,
   7/56 = 7 × 81/56 × 81 = 567/4536
4. Subtract the two like fractions:
   560/4536 - 567/4536 = 560 - 567/4536 = -7/4536
5. After reducing the fraction, the answer is -1/648

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