Answers

Subtract 63/21 from 63/96

1^st number: 63/96, 2^nd number: 3 0/21

63/96 - 63/21 is -75/32.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 96 and 21 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 96 × 7 = 672,
   63/96 = 63 × 7/96 × 7 = 441/672
3. Likewise, for the 2nd fraction, since 21 × 32 = 672,
   63/21 = 63 × 32/21 × 32 = 2016/672
4. Subtract the two like fractions:
   441/672 - 2016/672 = 441 - 2016/672 = -1575/672
5. After reducing the fraction, the answer is -75/32

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