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Subtract 80/27 from 90/45

1st number: 2 0/45, 2nd number: 2 26/27

90/45 - 80/27 is -26/27.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 27 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 45 × 3 = 135,
    90/45 = 90 × 3/45 × 3 = 270/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    80/27 = 80 × 5/27 × 5 = 400/135
  4. Subtract the two like fractions:
    270/135 - 400/135 = 270 - 400/135 = -130/135
  5. After reducing the fraction, the answer is -26/27

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