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Subtract 1/21 from 9/6

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

9/6 - 1/21 is 61/42.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 6 × 7 = 42,
    9/6 = 9 × 7/6 × 7 = 63/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    1/21 = 1 × 2/21 × 2 = 2/42
  4. Subtract the two like fractions:
    63/42 - 2/42 = 63 - 2/42 = 61/42
  5. In mixed form: 119/42

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