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Subtract 18/9 from 7/2

1st number: 3 1/2, 2nd number: 2 0/9

7/2 - 18/9 is 3/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 9 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 2 × 9 = 18,
    7/2 = 7 × 9/2 × 9 = 63/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    18/9 = 18 × 2/9 × 2 = 36/18
  4. Subtract the two like fractions:
    63/18 - 36/18 = 63 - 36/18 = 27/18
  5. After reducing the fraction, the answer is 3/2
  6. In mixed form: 11/2

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