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Subtract 20/18 from 30/2

1st number: 15 0/2, 2nd number: 1 2/18

30/2 - 20/18 is 125/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 18 is 18
  2. For the 1st fraction, since 2 × 9 = 18,
    30/2 = 30 × 9/2 × 9 = 270/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    20/18 = 20 × 1/18 × 1 = 20/18
  4. Subtract the two fractions:
    270/18 - 20/18 = 270 - 20/18 = 250/18
  5. After reducing the fraction, the answer is 125/9
  6. In mixed form: 138/9

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