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Subtract 30/48 from 30/90

30/90 - 30/48 is -7/24.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    30/90 = 30 × 8/90 × 8 = 240/720
  3. Likewise, for the 2nd fraction, since 48 × 15 = 720,
    30/48 = 30 × 15/48 × 15 = 450/720
  4. Subtract the two like fractions:
    240/720 - 450/720 = 240 - 450/720 = -210/720
  5. After reducing the fraction, the answer is -7/24

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