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Subtract 21/80 from 56/98

56/98 - 21/80 is 173/560.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 80 is 3920
  2. For the 1st fraction, since 98 × 40 = 3920,
    56/98 = 56 × 40/98 × 40 = 2240/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    21/80 = 21 × 49/80 × 49 = 1029/3920
  4. Subtract the two fractions:
    2240/3920 - 1029/3920 = 2240 - 1029/3920 = 1211/3920
  5. After reducing the fraction, the answer is 173/560

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