Answers

Subtract 81/56 from 16/63

1^st number: 16/63, 2^nd number: 1 25/56

16/63 - 81/56 is -601/504.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   16/63 = 16 × 8/63 × 8 = 128/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   81/56 = 81 × 9/56 × 9 = 729/504
4. Subtract the two like fractions:
   128/504 - 729/504 = 128 - 729/504 = -601/504

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