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Subtract 6/60 from 42/80

42/80 - 6/60 is 17/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 60 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 60 × 4 = 240,
    6/60 = 6 × 4/60 × 4 = 24/240
  4. Subtract the two fractions:
    126/240 - 24/240 = 126 - 24/240 = 102/240
  5. After reducing the fraction, the answer is 17/40

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