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Subtract 7/9 from 6/40

6/40 - 7/9 is -113/180.

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,
    6/40 = 6 × 9/40 × 9 = 54/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    7/9 = 7 × 40/9 × 40 = 280/360
  4. Subtract the two like fractions:
    54/360 - 280/360 = 54 - 280/360 = -226/360
  5. After reducing the fraction, the answer is -113/180

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