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Subtract 1/27 from 20/7

1st number: 2 6/7, 2nd number: 1/27

20/7 - 1/27 is 533/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 27 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 7 × 27 = 189,
    20/7 = 20 × 27/7 × 27 = 540/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    1/27 = 1 × 7/27 × 7 = 7/189
  4. Subtract the two like fractions:
    540/189 - 7/189 = 540 - 7/189 = 533/189
  5. In mixed form: 2155/189

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