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Subtract 25/45 from 30/18

1st number: 1 12/18, 2nd number: 25/45

30/18 - 25/45 is 10/9.

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,
    30/18 = 30 × 5/18 × 5 = 150/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    25/45 = 25 × 2/45 × 2 = 50/90
  4. Subtract the two like fractions:
    150/90 - 50/90 = 150 - 50/90 = 100/90
  5. After reducing the fraction, the answer is 10/9
  6. In mixed form: 11/9

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