Answers

Subtract 10/63 from 8/54

8/54 - 10/63 is -2/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 63 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   8/54 = 8 × 7/54 × 7 = 56/378
3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
   10/63 = 10 × 6/63 × 6 = 60/378
4. Subtract the two like fractions:
   56/378 - 60/378 = 56 - 60/378 = -4/378
5. After reducing the fraction, the answer is -2/189

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