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Subtract 9/6 from 18/30

1st number: 18/30, 2nd number: 1 3/6

18/30 - 9/6 is -9/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 6 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 30 × 1 = 30,
    18/30 = 18 × 1/30 × 1 = 18/30
  3. Likewise, for the 2nd fraction, since 6 × 5 = 30,
    9/6 = 9 × 5/6 × 5 = 45/30
  4. Subtract the two like fractions:
    18/30 - 45/30 = 18 - 45/30 = -27/30
  5. After reducing the fraction, the answer is -9/10

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