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Subtract 12/45 from 20/50

20/50 - 12/45 is 2/15.

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,
    20/50 = 20 × 9/50 × 9 = 180/450
  3. Likewise, for the 2nd fraction, since 45 × 10 = 450,
    12/45 = 12 × 10/45 × 10 = 120/450
  4. Subtract the two like fractions:
    180/450 - 120/450 = 180 - 120/450 = 60/450
  5. After reducing the fraction, the answer is 2/15

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