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Subtract 1/4 from 27/45

27/45 - 1/4 is 7/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 4 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    27/45 = 27 × 4/45 × 4 = 108/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    1/4 = 1 × 45/4 × 45 = 45/180
  4. Subtract the two like fractions:
    108/180 - 45/180 = 108 - 45/180 = 63/180
  5. After reducing the fraction, the answer is 7/20

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