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Subtract 6/45 from 9/20

9/20 - 6/45 is 19/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    9/20 = 9 × 9/20 × 9 = 81/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    6/45 = 6 × 4/45 × 4 = 24/180
  4. Subtract the two like fractions:
    81/180 - 24/180 = 81 - 24/180 = 57/180
  5. After reducing the fraction, the answer is 19/60

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