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Subtract 35/40 from 1/63

1/63 - 35/40 is -433/504.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 40 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 63 × 40 = 2520,
    1/63 = 1 × 40/63 × 40 = 40/2520
  3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
    35/40 = 35 × 63/40 × 63 = 2205/2520
  4. Subtract the two like fractions:
    40/2520 - 2205/2520 = 40 - 2205/2520 = -2165/2520
  5. After reducing the fraction, the answer is -433/504

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