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Subtract 10/24 from 4/90

4/90 - 10/24 is -67/180.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    4/90 = 4 × 4/90 × 4 = 16/360
  3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
    10/24 = 10 × 15/24 × 15 = 150/360
  4. Subtract the two like fractions:
    16/360 - 150/360 = 16 - 150/360 = -134/360
  5. After reducing the fraction, the answer is -67/180

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