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Subtract 28/12 from 30/64

1st number: 30/64, 2nd number: 2 4/12

30/64 - 28/12 is -179/96.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 12 is 192

    Next, find the equivalent fraction of both fractional numbers with denominator 192
  2. For the 1st fraction, since 64 × 3 = 192,
    30/64 = 30 × 3/64 × 3 = 90/192
  3. Likewise, for the 2nd fraction, since 12 × 16 = 192,
    28/12 = 28 × 16/12 × 16 = 448/192
  4. Subtract the two like fractions:
    90/192 - 448/192 = 90 - 448/192 = -358/192
  5. After reducing the fraction, the answer is -179/96

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