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Subtract 1/18 from 8/5

1st number: 1 3/5, 2nd number: 1/18

8/5 - 1/18 is 139/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 5 × 18 = 90,
    8/5 = 8 × 18/5 × 18 = 144/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    1/18 = 1 × 5/18 × 5 = 5/90
  4. Subtract the two like fractions:
    144/90 - 5/90 = 144 - 5/90 = 139/90
  5. In mixed form: 149/90

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