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Subtract 20/9 from 4/2

1st number: 2 0/2, 2nd number: 2 2/9

4/2 - 20/9 is -2/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 9 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 2 × 9 = 18,
    4/2 = 4 × 9/2 × 9 = 36/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    20/9 = 20 × 2/9 × 2 = 40/18
  4. Subtract the two like fractions:
    36/18 - 40/18 = 36 - 40/18 = -4/18
  5. After reducing the fraction, the answer is -2/9

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