Answers

Subtract 56/54 from 54/63

1^st number: 54/63, 2^nd number: 1 2/54

54/63 - 56/54 is -34/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 63 × 6 = 378,
   54/63 = 54 × 6/63 × 6 = 324/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   56/54 = 56 × 7/54 × 7 = 392/378
4. Subtract the two like fractions:
   324/378 - 392/378 = 324 - 392/378 = -68/378
5. After reducing the fraction, the answer is -34/189

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