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Subtract 45/5 from 18/36

1st number: 18/36, 2nd number: 9 0/5

18/36 - 45/5 is -17/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 5 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    18/36 = 18 × 5/36 × 5 = 90/180
  3. Likewise, for the 2nd fraction, since 5 × 36 = 180,
    45/5 = 45 × 36/5 × 36 = 1620/180
  4. Subtract the two like fractions:
    90/180 - 1620/180 = 90 - 1620/180 = -1530/180
  5. After reducing the fraction, the answer is -17/2

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