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Subtract 9/5 from 63/21

1st number: 3 0/21, 2nd number: 1 4/5

63/21 - 9/5 is 6/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 5 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 21 × 5 = 105,
    63/21 = 63 × 5/21 × 5 = 315/105
  3. Likewise, for the 2nd fraction, since 5 × 21 = 105,
    9/5 = 9 × 21/5 × 21 = 189/105
  4. Subtract the two like fractions:
    315/105 - 189/105 = 315 - 189/105 = 126/105
  5. After reducing the fraction, the answer is 6/5
  6. In mixed form: 11/5

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