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Subtract 81/9 from 4/2

1st number: 2 0/2, 2nd number: 9 0/9

4/2 - 81/9 is -7/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 9 is 18
  2. For the 1st fraction, since 2 × 9 = 18,
    4/2 = 4 × 9/2 × 9 = 36/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    81/9 = 81 × 2/9 × 2 = 162/18
  4. Subtract the two fractions:
    36/18 - 162/18 = 36 - 162/18 = -126/18
  5. After reducing the fraction, the answer is -7/1

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