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Subtract 80/9 from 16/20

1st number: 16/20, 2nd number: 8 8/9

16/20 - 80/9 is -364/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    16/20 = 16 × 9/20 × 9 = 144/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    80/9 = 80 × 20/9 × 20 = 1600/180
  4. Subtract the two like fractions:
    144/180 - 1600/180 = 144 - 1600/180 = -1456/180
  5. After reducing the fraction, the answer is -364/45

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