Answers

Subtract 8/49 from 3/63

3/63 - 8/49 is -17/147.

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,
   3/63 = 3 × 7/63 × 7 = 21/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   8/49 = 8 × 9/49 × 9 = 72/441
4. Subtract the two like fractions:
   21/441 - 72/441 = 21 - 72/441 = -51/441
5. After reducing the fraction, the answer is -17/147

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