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Subtract 6/63 from 40/45

40/45 - 6/63 is 50/63.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    40/45 = 40 × 7/45 × 7 = 280/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    6/63 = 6 × 5/63 × 5 = 30/315
  4. Subtract the two like fractions:
    280/315 - 30/315 = 280 - 30/315 = 250/315
  5. After reducing the fraction, the answer is 50/63

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