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Subtract 90/49 from 54/80

1st number: 54/80, 2nd number: 1 41/49

54/80 - 90/49 is -2277/1960.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 49 is 3920
  2. For the 1st fraction, since 80 × 49 = 3920,
    54/80 = 54 × 49/80 × 49 = 2646/3920
  3. Likewise, for the 2nd fraction, since 49 × 80 = 3920,
    90/49 = 90 × 80/49 × 80 = 7200/3920
  4. Subtract the two fractions:
    2646/3920 - 7200/3920 = 2646 - 7200/3920 = -4554/3920
  5. After reducing the fraction, the answer is -2277/1960

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