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Subtract 15/50 from 20/98

20/98 - 15/50 is -47/490.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 50 is 2450
  2. For the 1st fraction, since 98 × 25 = 2450,
    20/98 = 20 × 25/98 × 25 = 500/2450
  3. Likewise, for the 2nd fraction, since 50 × 49 = 2450,
    15/50 = 15 × 49/50 × 49 = 735/2450
  4. Subtract the two fractions:
    500/2450 - 735/2450 = 500 - 735/2450 = -235/2450
  5. After reducing the fraction, the answer is -47/490

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