Answers

Subtract 63/98 from 25/30

25/30 - 63/98 is 4/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 98 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 30 × 49 = 1470,
   25/30 = 25 × 49/30 × 49 = 1225/1470
3. Likewise, for the 2nd fraction, since 98 × 15 = 1470,
   63/98 = 63 × 15/98 × 15 = 945/1470
4. Subtract the two like fractions:
   1225/1470 - 945/1470 = 1225 - 945/1470 = 280/1470
5. After reducing the fraction, the answer is 4/21

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