Answers

Subtract 63/32 from 21/63

1^st number: 21/63, 2^nd number: 1 31/32

21/63 - 63/32 is -157/96.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 32 is 2016
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2016
2. For the 1st fraction, since 63 × 32 = 2016,
   21/63 = 21 × 32/63 × 32 = 672/2016
3. Likewise, for the 2nd fraction, since 32 × 63 = 2016,
   63/32 = 63 × 63/32 × 63 = 3969/2016
4. Subtract the two like fractions:
   672/2016 - 3969/2016 = 672 - 3969/2016 = -3297/2016
5. After reducing the fraction, the answer is -157/96

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