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Subtract 4/30 from 25/18

1st number: 1 7/18, 2nd number: 4/30

25/18 - 4/30 is 113/90.

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,
    25/18 = 25 × 5/18 × 5 = 125/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    4/30 = 4 × 3/30 × 3 = 12/90
  4. Subtract the two like fractions:
    125/90 - 12/90 = 125 - 12/90 = 113/90
  5. In mixed form: 123/90

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