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Subtract 49/27 from 45/21

1st number: 2 3/21, 2nd number: 1 22/27

45/21 - 49/27 is 62/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 27 is 189
  2. For the 1st fraction, since 21 × 9 = 189,
    45/21 = 45 × 9/21 × 9 = 405/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    49/27 = 49 × 7/27 × 7 = 343/189
  4. Subtract the two fractions:
    405/189 - 343/189 = 405 - 343/189 = 62/189

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