Answers

Subtract 84/54 from 1/63

1^st number: 1/63, 2^nd number: 1 30/54

1/63 - 84/54 is -97/63.

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,
   1/63 = 1 × 6/63 × 6 = 6/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   84/54 = 84 × 7/54 × 7 = 588/378
4. Subtract the two like fractions:
   6/378 - 588/378 = 6 - 588/378 = -582/378
5. After reducing the fraction, the answer is -97/63

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