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Subtract 7/90 from 28/5

1st number: 5 3/5, 2nd number: 7/90

28/5 - 7/90 is 497/90.

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,
    28/5 = 28 × 18/5 × 18 = 504/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    7/90 = 7 × 1/90 × 1 = 7/90
  4. Subtract the two like fractions:
    504/90 - 7/90 = 504 - 7/90 = 497/90
  5. In mixed form: 547/90

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