Answers

Subtract 5/63 from 81/2

1^st number: 40 1/2, 2^nd number: 5/63

81/2 - 5/63 is 5093/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 2 × 63 = 126,
   81/2 = 81 × 63/2 × 63 = 5103/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   5/63 = 5 × 2/63 × 2 = 10/126
4. Subtract the two like fractions:
   5103/126 - 10/126 = 5103 - 10/126 = 5093/126
5. In mixed form: 4053/126

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