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Subtract 21/45 from 1/50

1/50 - 21/45 is -67/150.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 45 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 50 × 9 = 450,
    1/50 = 1 × 9/50 × 9 = 9/450
  3. Likewise, for the 2nd fraction, since 45 × 10 = 450,
    21/45 = 21 × 10/45 × 10 = 210/450
  4. Subtract the two like fractions:
    9/450 - 210/450 = 9 - 210/450 = -201/450
  5. After reducing the fraction, the answer is -67/150

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