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Subtract 20/9 from 6/8

1st number: 6/8, 2nd number: 2 2/9

6/8 - 20/9 is -53/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    6/8 = 6 × 9/8 × 9 = 54/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    20/9 = 20 × 8/9 × 8 = 160/72
  4. Subtract the two like fractions:
    54/72 - 160/72 = 54 - 160/72 = -106/72
  5. After reducing the fraction, the answer is -53/36

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