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Subtract 45/49 from 30/35

30/35 - 45/49 is -3/49.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 49 is 245

    Next, find the equivalent fraction of both fractional numbers with denominator 245
  2. For the 1st fraction, since 35 × 7 = 245,
    30/35 = 30 × 7/35 × 7 = 210/245
  3. Likewise, for the 2nd fraction, since 49 × 5 = 245,
    45/49 = 45 × 5/49 × 5 = 225/245
  4. Subtract the two like fractions:
    210/245 - 225/245 = 210 - 225/245 = -15/245
  5. After reducing the fraction, the answer is -3/49

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