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Subtract 7/9 from 42/18

1st number: 2 6/18, 2nd number: 7/9

42/18 - 7/9 is 14/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 9 is 18
  2. For the 1st fraction, since 18 × 1 = 18,
    42/18 = 42 × 1/18 × 1 = 42/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    7/9 = 7 × 2/9 × 2 = 14/18
  4. Subtract the two fractions:
    42/18 - 14/18 = 42 - 14/18 = 28/18
  5. After reducing the fraction, the answer is 14/9
  6. In mixed form: 15/9

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