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Subtract 2/81 from 28/7

1st number: 4 0/7, 2nd number: 2/81

28/7 - 2/81 is 322/81.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 81 is 567
  2. For the 1st fraction, since 7 × 81 = 567,
    28/7 = 28 × 81/7 × 81 = 2268/567
  3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
    2/81 = 2 × 7/81 × 7 = 14/567
  4. Subtract the two fractions:
    2268/567 - 14/567 = 2268 - 14/567 = 2254/567
  5. After reducing the fraction, the answer is 322/81
  6. In mixed form: 379/81

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