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Subtract 3/6 from 30/80

30/80 - 3/6 is -1/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 6 is 240
  2. For the 1st fraction, since 80 × 3 = 240,
    30/80 = 30 × 3/80 × 3 = 90/240
  3. Likewise, for the 2nd fraction, since 6 × 40 = 240,
    3/6 = 3 × 40/6 × 40 = 120/240
  4. Subtract the two fractions:
    90/240 - 120/240 = 90 - 120/240 = -30/240
  5. After reducing the fraction, the answer is -1/8

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