Answers

Subtract 81/60 from 5/63

1^st number: 5/63, 2^nd number: 1 21/60

5/63 - 81/60 is -1601/1260.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 60 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   5/63 = 5 × 20/63 × 20 = 100/1260
3. Likewise, for the 2nd fraction, since 60 × 21 = 1260,
   81/60 = 81 × 21/60 × 21 = 1701/1260
4. Subtract the two like fractions:
   100/1260 - 1701/1260 = 100 - 1701/1260 = -1601/1260

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