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Subtract 20/9 from 8/4

1st number: 2 0/4, 2nd number: 2 2/9

8/4 - 20/9 is -2/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 4 × 9 = 36,
    8/4 = 8 × 9/4 × 9 = 72/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    20/9 = 20 × 4/9 × 4 = 80/36
  4. Subtract the two like fractions:
    72/36 - 80/36 = 72 - 80/36 = -8/36
  5. After reducing the fraction, the answer is -2/9

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