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Subtract 54/32 from 12/15

1st number: 12/15, 2nd number: 1 22/32

12/15 - 54/32 is -71/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 32 is 480

    Next, find the equivalent fraction of both fractional numbers with denominator 480
  2. For the 1st fraction, since 15 × 32 = 480,
    12/15 = 12 × 32/15 × 32 = 384/480
  3. Likewise, for the 2nd fraction, since 32 × 15 = 480,
    54/32 = 54 × 15/32 × 15 = 810/480
  4. Subtract the two like fractions:
    384/480 - 810/480 = 384 - 810/480 = -426/480
  5. After reducing the fraction, the answer is -71/80

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