Answers

Subtract 24/45 from 15/63

15/63 - 24/45 is -31/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   15/63 = 15 × 5/63 × 5 = 75/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   24/45 = 24 × 7/45 × 7 = 168/315
4. Subtract the two like fractions:
   75/315 - 168/315 = 75 - 168/315 = -93/315
5. After reducing the fraction, the answer is -31/105

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