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Subtract 24/81 from 42/35

1st number: 1 7/35, 2nd number: 24/81

42/35 - 24/81 is 122/135.

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,
    24/81 = 24 × 35/81 × 35 = 840/2835
  4. Subtract the two like fractions:
    3402/2835 - 840/2835 = 3402 - 840/2835 = 2562/2835
  5. After reducing the fraction, the answer is 122/135

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