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Subtract 2/9 from 30/20

1st number: 1 10/20, 2nd number: 2/9

30/20 - 2/9 is 23/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    30/20 = 30 × 9/20 × 9 = 270/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    2/9 = 2 × 20/9 × 20 = 40/180
  4. Subtract the two like fractions:
    270/180 - 40/180 = 270 - 40/180 = 230/180
  5. After reducing the fraction, the answer is 23/18
  6. In mixed form: 15/18

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