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Subtract 6/81 from 40/30

1st number: 1 10/30, 2nd number: 6/81

40/30 - 6/81 is 34/27.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 81 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 30 × 27 = 810,
    40/30 = 40 × 27/30 × 27 = 1080/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    6/81 = 6 × 10/81 × 10 = 60/810
  4. Subtract the two like fractions:
    1080/810 - 60/810 = 1080 - 60/810 = 1020/810
  5. After reducing the fraction, the answer is 34/27
  6. In mixed form: 17/27

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