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Subtract 3/30 from 40/18

1st number: 2 4/18, 2nd number: 3/30

40/18 - 3/30 is 191/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    40/18 = 40 × 5/18 × 5 = 200/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    3/30 = 3 × 3/30 × 3 = 9/90
  4. Subtract the two like fractions:
    200/90 - 9/90 = 200 - 9/90 = 191/90
  5. In mixed form: 211/90

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