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Subtract 18/28 from 81/8

1st number: 10 1/8, 2nd number: 18/28

81/8 - 18/28 is 531/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 28 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 8 × 7 = 56,
    81/8 = 81 × 7/8 × 7 = 567/56
  3. Likewise, for the 2nd fraction, since 28 × 2 = 56,
    18/28 = 18 × 2/28 × 2 = 36/56
  4. Subtract the two like fractions:
    567/56 - 36/56 = 567 - 36/56 = 531/56
  5. In mixed form: 927/56

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