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Subtract 8/21 from 40/6

1st number: 6 4/6, 2nd number: 8/21

40/6 - 8/21 is 44/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 21 is 42
  2. For the 1st fraction, since 6 × 7 = 42,
    40/6 = 40 × 7/6 × 7 = 280/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    8/21 = 8 × 2/21 × 2 = 16/42
  4. Subtract the two fractions:
    280/42 - 16/42 = 280 - 16/42 = 264/42
  5. After reducing the fraction, the answer is 44/7
  6. In mixed form: 62/7

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