Answers

Subtract 28/49 from 1/63

1/63 - 28/49 is -5/9.

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,
   1/63 = 1 × 7/63 × 7 = 7/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   28/49 = 28 × 9/49 × 9 = 252/441
4. Subtract the two like fractions:
   7/441 - 252/441 = 7 - 252/441 = -245/441
5. After reducing the fraction, the answer is -5/9

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