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Subtract 25/90 from 3/24

3/24 - 25/90 is -11/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 24 × 15 = 360,
    3/24 = 3 × 15/24 × 15 = 45/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    25/90 = 25 × 4/90 × 4 = 100/360
  4. Subtract the two like fractions:
    45/360 - 100/360 = 45 - 100/360 = -55/360
  5. After reducing the fraction, the answer is -11/72

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