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Subtract 21/30 from 40/6

1st number: 6 4/6, 2nd number: 21/30

40/6 - 21/30 is 179/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 6 × 5 = 30,
    40/6 = 40 × 5/6 × 5 = 200/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    21/30 = 21 × 1/30 × 1 = 21/30
  4. Subtract the two like fractions:
    200/30 - 21/30 = 200 - 21/30 = 179/30
  5. In mixed form: 529/30

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