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Subtract 20/9 from 10/12

1st number: 10/12, 2nd number: 2 2/9

10/12 - 20/9 is -25/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    10/12 = 10 × 3/12 × 3 = 30/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    20/9 = 20 × 4/9 × 4 = 80/36
  4. Subtract the two like fractions:
    30/36 - 80/36 = 30 - 80/36 = -50/36
  5. After reducing the fraction, the answer is -25/18

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