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Subtract 4/49 from 12/45

12/45 - 4/49 is 136/735.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 49 is 2205

    Next, find the equivalent fraction of both fractional numbers with denominator 2205
  2. For the 1st fraction, since 45 × 49 = 2205,
    12/45 = 12 × 49/45 × 49 = 588/2205
  3. Likewise, for the 2nd fraction, since 49 × 45 = 2205,
    4/49 = 4 × 45/49 × 45 = 180/2205
  4. Subtract the two like fractions:
    588/2205 - 180/2205 = 588 - 180/2205 = 408/2205
  5. After reducing the fraction, the answer is 136/735

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