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Subtract 3/90 from 28/48

28/48 - 3/90 is 11/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 48 × 15 = 720,
    28/48 = 28 × 15/48 × 15 = 420/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    3/90 = 3 × 8/90 × 8 = 24/720
  4. Subtract the two like fractions:
    420/720 - 24/720 = 420 - 24/720 = 396/720
  5. After reducing the fraction, the answer is 11/20

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