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Subtract 1/20 from 15/9

1st number: 1 6/9, 2nd number: 1/20

15/9 - 1/20 is 97/60.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    15/9 = 15 × 20/9 × 20 = 300/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    1/20 = 1 × 9/20 × 9 = 9/180
  4. Subtract the two like fractions:
    300/180 - 9/180 = 300 - 9/180 = 291/180
  5. After reducing the fraction, the answer is 97/60
  6. In mixed form: 137/60

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