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Subtract 40/7 from 10/27

1st number: 10/27, 2nd number: 5 5/7

10/27 - 40/7 is -1010/189.

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,
    40/7 = 40 × 27/7 × 27 = 1080/189
  4. Subtract the two fractions:
    70/189 - 1080/189 = 70 - 1080/189 = -1010/189

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