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Subtract 72/18 from 1/75

1st number: 1/75, 2nd number: 4 0/18

1/75 - 72/18 is -299/75.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 18 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 75 × 6 = 450,
    1/75 = 1 × 6/75 × 6 = 6/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    72/18 = 72 × 25/18 × 25 = 1800/450
  4. Subtract the two like fractions:
    6/450 - 1800/450 = 6 - 1800/450 = -1794/450
  5. After reducing the fraction, the answer is -299/75

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