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Subtract 21/6 from 10/27

1st number: 10/27, 2nd number: 3 3/6

10/27 - 21/6 is -169/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 6 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 27 × 2 = 54,
    10/27 = 10 × 2/27 × 2 = 20/54
  3. Likewise, for the 2nd fraction, since 6 × 9 = 54,
    21/6 = 21 × 9/6 × 9 = 189/54
  4. Subtract the two like fractions:
    20/54 - 189/54 = 20 - 189/54 = -169/54

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