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Subtract 20/9 from 8/45

1st number: 8/45, 2nd number: 2 2/9

8/45 - 20/9 is -92/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 9 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 45 × 1 = 45,
    8/45 = 8 × 1/45 × 1 = 8/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    20/9 = 20 × 5/9 × 5 = 100/45
  4. Subtract the two like fractions:
    8/45 - 100/45 = 8 - 100/45 = -92/45

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