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Subtract 10/21 from 63/6

1st number: 10 3/6, 2nd number: 10/21

63/6 - 10/21 is 421/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 21 is 42
  2. For the 1st fraction, since 6 × 7 = 42,
    63/6 = 63 × 7/6 × 7 = 441/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    10/21 = 10 × 2/21 × 2 = 20/42
  4. Subtract the two fractions:
    441/42 - 20/42 = 441 - 20/42 = 421/42
  5. In mixed form: 101/42

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