Answers

Subtract 80/63 from 4/54

1^st number: 4/54, 2^nd number: 1 17/63

4/54 - 80/63 is -226/189.

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,
   4/54 = 4 × 7/54 × 7 = 28/378
3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
   80/63 = 80 × 6/63 × 6 = 480/378
4. Subtract the two like fractions:
   28/378 - 480/378 = 28 - 480/378 = -452/378
5. After reducing the fraction, the answer is -226/189

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