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Subtract 12/45 from 7/48

7/48 - 12/45 is -29/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 48 × 15 = 720,
    7/48 = 7 × 15/48 × 15 = 105/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    12/45 = 12 × 16/45 × 16 = 192/720
  4. Subtract the two like fractions:
    105/720 - 192/720 = 105 - 192/720 = -87/720
  5. After reducing the fraction, the answer is -29/240

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