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Subtract 3/49 from 63/21

1st number: 3 0/21, 2nd number: 3/49

63/21 - 3/49 is 144/49.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 49 is 147
  2. For the 1st fraction, since 21 × 7 = 147,
    63/21 = 63 × 7/21 × 7 = 441/147
  3. Likewise, for the 2nd fraction, since 49 × 3 = 147,
    3/49 = 3 × 3/49 × 3 = 9/147
  4. Subtract the two fractions:
    441/147 - 9/147 = 441 - 9/147 = 432/147
  5. After reducing the fraction, the answer is 144/49
  6. In mixed form: 246/49

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