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Subtract 18/63 from 72/49

1st number: 1 23/49, 2nd number: 18/63

72/49 - 18/63 is 58/49.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 63 is 441

    Next, find the equivalent fraction of both fractional numbers with denominator 441
  2. For the 1st fraction, since 49 × 9 = 441,
    72/49 = 72 × 9/49 × 9 = 648/441
  3. Likewise, for the 2nd fraction, since 63 × 7 = 441,
    18/63 = 18 × 7/63 × 7 = 126/441
  4. Subtract the two like fractions:
    648/441 - 126/441 = 648 - 126/441 = 522/441
  5. After reducing the fraction, the answer is 58/49
  6. In mixed form: 19/49

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