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Subtract 1/45 from 42/63

42/63 - 1/45 is 29/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 63 × 5 = 315,
    42/63 = 42 × 5/63 × 5 = 210/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    1/45 = 1 × 7/45 × 7 = 7/315
  4. Subtract the two like fractions:
    210/315 - 7/315 = 210 - 7/315 = 203/315
  5. After reducing the fraction, the answer is 29/45

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