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Subtract 49/75 from 4/20

4/20 - 49/75 is -34/75.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 75 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 20 × 15 = 300,
    4/20 = 4 × 15/20 × 15 = 60/300
  3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
    49/75 = 49 × 4/75 × 4 = 196/300
  4. Subtract the two like fractions:
    60/300 - 196/300 = 60 - 196/300 = -136/300
  5. After reducing the fraction, the answer is -34/75

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