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Subtract 12/81 from 10/8

1st number: 1 2/8, 2nd number: 12/81

10/8 - 12/81 is 119/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 81 is 648

    Next, find the equivalent fraction of both fractional numbers with denominator 648
  2. For the 1st fraction, since 8 × 81 = 648,
    10/8 = 10 × 81/8 × 81 = 810/648
  3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
    12/81 = 12 × 8/81 × 8 = 96/648
  4. Subtract the two like fractions:
    810/648 - 96/648 = 810 - 96/648 = 714/648
  5. After reducing the fraction, the answer is 119/108
  6. In mixed form: 111/108

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