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Subtract 2/20 from 28/80

28/80 - 2/20 is 1/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 20 is 80
  2. For the 1st fraction, since 80 × 1 = 80,
    28/80 = 28 × 1/80 × 1 = 28/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    2/20 = 2 × 4/20 × 4 = 8/80
  4. Subtract the two fractions:
    28/80 - 8/80 = 28 - 8/80 = 20/80
  5. After reducing the fraction, the answer is 1/4

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