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Subtract 6/81 from 42/35

1st number: 1 7/35, 2nd number: 6/81

42/35 - 6/81 is 152/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 81 is 2835

    Next, find the equivalent fraction of both fractional numbers with denominator 2835
  2. For the 1st fraction, since 35 × 81 = 2835,
    42/35 = 42 × 81/35 × 81 = 3402/2835
  3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
    6/81 = 6 × 35/81 × 35 = 210/2835
  4. Subtract the two like fractions:
    3402/2835 - 210/2835 = 3402 - 210/2835 = 3192/2835
  5. After reducing the fraction, the answer is 152/135
  6. In mixed form: 117/135

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