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Subtract 9/7 from 27/60

1st number: 27/60, 2nd number: 1 2/7

27/60 - 9/7 is -117/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 7 is 420
  2. For the 1st fraction, since 60 × 7 = 420,
    27/60 = 27 × 7/60 × 7 = 189/420
  3. Likewise, for the 2nd fraction, since 7 × 60 = 420,
    9/7 = 9 × 60/7 × 60 = 540/420
  4. Subtract the two fractions:
    189/420 - 540/420 = 189 - 540/420 = -351/420
  5. After reducing the fraction, the answer is -117/140

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