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Subtract 30/63 from 7/49

7/49 - 30/63 is -1/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 63 is 441
  2. For the 1st fraction, since 49 × 9 = 441,
    7/49 = 7 × 9/49 × 9 = 63/441
  3. Likewise, for the 2nd fraction, since 63 × 7 = 441,
    30/63 = 30 × 7/63 × 7 = 210/441
  4. Subtract the two fractions:
    63/441 - 210/441 = 63 - 210/441 = -147/441
  5. After reducing the fraction, the answer is -1/3

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