Answers

Subtract 24/49 from 20/63

20/63 - 24/49 is -76/441.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 49 is 441
   
   Next, find the equivalent fraction of both fractional numbers with denominator 441
2. For the 1st fraction, since 63 × 7 = 441,
   20/63 = 20 × 7/63 × 7 = 140/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   24/49 = 24 × 9/49 × 9 = 216/441
4. Subtract the two like fractions:
   140/441 - 216/441 = 140 - 216/441 = -76/441

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