Answers

Subtract 45/63 from 63/42

1^st number: 1 21/42, 2^nd number: 45/63

63/42 - 45/63 is 11/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   63/42 = 63 × 3/42 × 3 = 189/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   45/63 = 45 × 2/63 × 2 = 90/126
4. Subtract the two like fractions:
   189/126 - 90/126 = 189 - 90/126 = 99/126
5. After reducing the fraction, the answer is 11/14

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