Answers

Subtract 27/7 from 63/54

1^st number: 1 9/54, 2^nd number: 3 6/7

63/54 - 27/7 is -113/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 7 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   63/54 = 63 × 7/54 × 7 = 441/378
3. Likewise, for the 2nd fraction, since 7 × 54 = 378,
   27/7 = 27 × 54/7 × 54 = 1458/378
4. Subtract the two like fractions:
   441/378 - 1458/378 = 441 - 1458/378 = -1017/378
5. After reducing the fraction, the answer is -113/42

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