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Subtract 9/7 from 63/3

1st number: 21 0/3, 2nd number: 1 2/7

63/3 - 9/7 is 138/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 7 is 21
  2. For the 1st fraction, since 3 × 7 = 21,
    63/3 = 63 × 7/3 × 7 = 441/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    9/7 = 9 × 3/7 × 3 = 27/21
  4. Subtract the two fractions:
    441/21 - 27/21 = 441 - 27/21 = 414/21
  5. After reducing the fraction, the answer is 138/7
  6. In mixed form: 195/7

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