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Subtract 6/9 from 3/40

3/40 - 6/9 is -71/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    3/40 = 3 × 9/40 × 9 = 27/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    6/9 = 6 × 40/9 × 40 = 240/360
  4. Subtract the two like fractions:
    27/360 - 240/360 = 27 - 240/360 = -213/360
  5. After reducing the fraction, the answer is -71/120

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