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Subtract 7/45 from 25/18

1st number: 1 7/18, 2nd number: 7/45

25/18 - 7/45 is 37/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 45 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 45 × 2 = 90,
    7/45 = 7 × 2/45 × 2 = 14/90
  4. Subtract the two like fractions:
    125/90 - 14/90 = 125 - 14/90 = 111/90
  5. After reducing the fraction, the answer is 37/30
  6. In mixed form: 17/30

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