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Subtract 40/80 from 60/18

1st number: 3 6/18, 2nd number: 40/80

60/18 - 40/80 is 17/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 18 × 40 = 720,
    60/18 = 60 × 40/18 × 40 = 2400/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    40/80 = 40 × 9/80 × 9 = 360/720
  4. Subtract the two like fractions:
    2400/720 - 360/720 = 2400 - 360/720 = 2040/720
  5. After reducing the fraction, the answer is 17/6
  6. In mixed form: 25/6

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