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Subtract 80/7 from 30/27

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

30/27 - 80/7 is -650/63.

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,
    30/27 = 30 × 7/27 × 7 = 210/189
  3. Likewise, for the 2nd fraction, since 7 × 27 = 189,
    80/7 = 80 × 27/7 × 27 = 2160/189
  4. Subtract the two fractions:
    210/189 - 2160/189 = 210 - 2160/189 = -1950/189
  5. After reducing the fraction, the answer is -650/63

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