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Subtract 30/60 from 1/27

1/27 - 30/60 is -25/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 60 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 27 × 20 = 540,
    1/27 = 1 × 20/27 × 20 = 20/540
  3. Likewise, for the 2nd fraction, since 60 × 9 = 540,
    30/60 = 30 × 9/60 × 9 = 270/540
  4. Subtract the two like fractions:
    20/540 - 270/540 = 20 - 270/540 = -250/540
  5. After reducing the fraction, the answer is -25/54

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