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Subtract 80/7 from 10/27

1st number: 10/27, 2nd number: 11 3/7

10/27 - 80/7 is -2090/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 7 is 189
  2. For the 1st fraction, since 27 × 7 = 189,
    10/27 = 10 × 7/27 × 7 = 70/189
  3. Likewise, for the 2nd fraction, since 7 × 27 = 189,
    80/7 = 80 × 27/7 × 27 = 2160/189
  4. Subtract the two fractions:
    70/189 - 2160/189 = 70 - 2160/189 = -2090/189

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