Answers

Subtract 42/63 from 63/16

1^st number: 3 15/16, 2^nd number: 42/63

63/16 - 42/63 is 157/48.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 63 is 1008
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1008
2. For the 1st fraction, since 16 × 63 = 1008,
   63/16 = 63 × 63/16 × 63 = 3969/1008
3. Likewise, for the 2nd fraction, since 63 × 16 = 1008,
   42/63 = 42 × 16/63 × 16 = 672/1008
4. Subtract the two like fractions:
   3969/1008 - 672/1008 = 3969 - 672/1008 = 3297/1008
5. After reducing the fraction, the answer is 157/48
6. In mixed form: 313/48

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