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Subtract 1/21 from 9/3

1st number: 3 0/3, 2nd number: 1/21

9/3 - 1/21 is 62/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 21 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 3 × 7 = 21,
    9/3 = 9 × 7/3 × 7 = 63/21
  3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
    1/21 = 1 × 1/21 × 1 = 1/21
  4. Subtract the two like fractions:
    63/21 - 1/21 = 63 - 1/21 = 62/21
  5. In mixed form: 220/21

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