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Subtract 3/18 from 20/24

20/24 - 3/18 is 2/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 24 × 3 = 72,
    20/24 = 20 × 3/24 × 3 = 60/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    3/18 = 3 × 4/18 × 4 = 12/72
  4. Subtract the two like fractions:
    60/72 - 12/72 = 60 - 12/72 = 48/72
  5. After reducing the fraction, the answer is 2/3

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