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Subtract 70/27 from 12/63

1st number: 12/63, 2nd number: 2 16/27

12/63 - 70/27 is -454/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 27 is 189
  2. For the 1st fraction, since 63 × 3 = 189,
    12/63 = 12 × 3/63 × 3 = 36/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    70/27 = 70 × 7/27 × 7 = 490/189
  4. Subtract the two fractions:
    36/189 - 490/189 = 36 - 490/189 = -454/189

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