Answers

Subtract 45/63 from 40/24

1^st number: 1 16/24, 2^nd number: 45/63

40/24 - 45/63 is 20/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 63 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 24 × 21 = 504,
   40/24 = 40 × 21/24 × 21 = 840/504
3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
   45/63 = 45 × 8/63 × 8 = 360/504
4. Subtract the two like fractions:
   840/504 - 360/504 = 840 - 360/504 = 480/504
5. After reducing the fraction, the answer is 20/21

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