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Subtract 54/80 from 50/84

50/84 - 54/80 is -67/840.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 80 is 1680
  2. For the 1st fraction, since 84 × 20 = 1680,
    50/84 = 50 × 20/84 × 20 = 1000/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    54/80 = 54 × 21/80 × 21 = 1134/1680
  4. Subtract the two fractions:
    1000/1680 - 1134/1680 = 1000 - 1134/1680 = -134/1680
  5. After reducing the fraction, the answer is -67/840

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