Answers

Subtract 72/63 from 12/56

1^st number: 12/56, 2^nd number: 1 9/63

12/56 - 72/63 is -13/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 63 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 56 × 9 = 504,
   12/56 = 12 × 9/56 × 9 = 108/504
3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
   72/63 = 72 × 8/63 × 8 = 576/504
4. Subtract the two like fractions:
   108/504 - 576/504 = 108 - 576/504 = -468/504
5. After reducing the fraction, the answer is -13/14

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