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Subtract 3/42 from 63/21

1st number: 3 0/21, 2nd number: 3/42

63/21 - 3/42 is 41/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 42 is 42
  2. For the 1st fraction, since 21 × 2 = 42,
    63/21 = 63 × 2/21 × 2 = 126/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    3/42 = 3 × 1/42 × 1 = 3/42
  4. Subtract the two fractions:
    126/42 - 3/42 = 126 - 3/42 = 123/42
  5. After reducing the fraction, the answer is 41/14
  6. In mixed form: 213/14

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