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Subtract 54/80 from 30/48

30/48 - 54/80 is -1/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 48 × 5 = 240,
    30/48 = 30 × 5/48 × 5 = 150/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    54/80 = 54 × 3/80 × 3 = 162/240
  4. Subtract the two like fractions:
    150/240 - 162/240 = 150 - 162/240 = -12/240
  5. After reducing the fraction, the answer is -1/20

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