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Subtract 50/75 from 4/84

4/84 - 50/75 is -13/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 75 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 84 × 25 = 2100,
    4/84 = 4 × 25/84 × 25 = 100/2100
  3. Likewise, for the 2nd fraction, since 75 × 28 = 2100,
    50/75 = 50 × 28/75 × 28 = 1400/2100
  4. Subtract the two like fractions:
    100/2100 - 1400/2100 = 100 - 1400/2100 = -1300/2100
  5. After reducing the fraction, the answer is -13/21

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