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Subtract 5/81 from 30/7

1st number: 4 2/7, 2nd number: 5/81

30/7 - 5/81 is 2395/567.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 81 is 567

    Next, find the equivalent fraction of both fractional numbers with denominator 567
  2. For the 1st fraction, since 7 × 81 = 567,
    30/7 = 30 × 81/7 × 81 = 2430/567
  3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
    5/81 = 5 × 7/81 × 7 = 35/567
  4. Subtract the two like fractions:
    2430/567 - 35/567 = 2430 - 35/567 = 2395/567
  5. In mixed form: 4127/567

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