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Subtract 1/90 from 15/5

1st number: 3 0/5, 2nd number: 1/90

15/5 - 1/90 is 269/90.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 5 × 18 = 90,
    15/5 = 15 × 18/5 × 18 = 270/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    1/90 = 1 × 1/90 × 1 = 1/90
  4. Subtract the two like fractions:
    270/90 - 1/90 = 270 - 1/90 = 269/90
  5. In mixed form: 289/90

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