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Subtract 2/10 from 20/9

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

20/9 - 2/10 is 91/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 10 is 90
  2. For the 1st fraction, since 9 × 10 = 90,
    20/9 = 20 × 10/9 × 10 = 200/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    2/10 = 2 × 9/10 × 9 = 18/90
  4. Subtract the two fractions:
    200/90 - 18/90 = 200 - 18/90 = 182/90
  5. After reducing the fraction, the answer is 91/45
  6. In mixed form: 21/45

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