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Subtract 42/18 from 4/9

1st number: 4/9, 2nd number: 2 6/18

4/9 - 42/18 is -17/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 18 is 18
  2. For the 1st fraction, since 9 × 2 = 18,
    4/9 = 4 × 2/9 × 2 = 8/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    42/18 = 42 × 1/18 × 1 = 42/18
  4. Subtract the two fractions:
    8/18 - 42/18 = 8 - 42/18 = -34/18
  5. After reducing the fraction, the answer is -17/9

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