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Subtract 3/8 from 9/49

9/49 - 3/8 is -75/392.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 8 is 392
  2. For the 1st fraction, since 49 × 8 = 392,
    9/49 = 9 × 8/49 × 8 = 72/392
  3. Likewise, for the 2nd fraction, since 8 × 49 = 392,
    3/8 = 3 × 49/8 × 49 = 147/392
  4. Subtract the two fractions:
    72/392 - 147/392 = 72 - 147/392 = -75/392

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