Answers

Subtract 80/98 from 10/63

10/63 - 80/98 is -290/441.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 63 × 14 = 882,
   10/63 = 10 × 14/63 × 14 = 140/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   80/98 = 80 × 9/98 × 9 = 720/882
4. Subtract the two like fractions:
   140/882 - 720/882 = 140 - 720/882 = -580/882
5. After reducing the fraction, the answer is -290/441

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