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Subtract 5/6 from 45/21

1st number: 2 3/21, 2nd number: 5/6

45/21 - 5/6 is 55/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 6 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    45/21 = 45 × 2/21 × 2 = 90/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    5/6 = 5 × 7/6 × 7 = 35/42
  4. Subtract the two like fractions:
    90/42 - 35/42 = 90 - 35/42 = 55/42
  5. In mixed form: 113/42

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