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Subtract 1/6 from 42/80

42/80 - 1/6 is 43/120.

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,
    42/80 = 42 × 3/80 × 3 = 126/240
  3. Likewise, for the 2nd fraction, since 6 × 40 = 240,
    1/6 = 1 × 40/6 × 40 = 40/240
  4. Subtract the two fractions:
    126/240 - 40/240 = 126 - 40/240 = 86/240
  5. After reducing the fraction, the answer is 43/120

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