Answers

Subtract 27/49 from 12/63

12/63 - 27/49 is -53/147.

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,
   12/63 = 12 × 7/63 × 7 = 84/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   27/49 = 27 × 9/49 × 9 = 243/441
4. Subtract the two like fractions:
   84/441 - 243/441 = 84 - 243/441 = -159/441
5. After reducing the fraction, the answer is -53/147

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