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Subtract 3/81 from 35/30

1st number: 1 5/30, 2nd number: 3/81

35/30 - 3/81 is 61/54.

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,
    35/30 = 35 × 27/30 × 27 = 945/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    3/81 = 3 × 10/81 × 10 = 30/810
  4. Subtract the two like fractions:
    945/810 - 30/810 = 945 - 30/810 = 915/810
  5. After reducing the fraction, the answer is 61/54
  6. In mixed form: 17/54

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