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Subtract 27/70 from 9/60

9/60 - 27/70 is -33/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    9/60 = 9 × 7/60 × 7 = 63/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    27/70 = 27 × 6/70 × 6 = 162/420
  4. Subtract the two like fractions:
    63/420 - 162/420 = 63 - 162/420 = -99/420
  5. After reducing the fraction, the answer is -33/140

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