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Subtract 9/45 from 63/21

1st number: 3 0/21, 2nd number: 9/45

63/21 - 9/45 is 14/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 21 × 15 = 315,
    63/21 = 63 × 15/21 × 15 = 945/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    9/45 = 9 × 7/45 × 7 = 63/315
  4. Subtract the two like fractions:
    945/315 - 63/315 = 945 - 63/315 = 882/315
  5. After reducing the fraction, the answer is 14/5
  6. In mixed form: 24/5

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