Answers

Subtract 18/63 from 81/16

1^st number: 5 1/16, 2^nd number: 18/63

81/16 - 18/63 is 535/112.

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,
   81/16 = 81 × 63/16 × 63 = 5103/1008
3. Likewise, for the 2nd fraction, since 63 × 16 = 1008,
   18/63 = 18 × 16/63 × 16 = 288/1008
4. Subtract the two like fractions:
   5103/1008 - 288/1008 = 5103 - 288/1008 = 4815/1008
5. After reducing the fraction, the answer is 535/112
6. In mixed form: 487/112

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