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Subtract 30/49 from 7/30

7/30 - 30/49 is -557/1470.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 49 is 1470
  2. For the 1st fraction, since 30 × 49 = 1470,
    7/30 = 7 × 49/30 × 49 = 343/1470
  3. Likewise, for the 2nd fraction, since 49 × 30 = 1470,
    30/49 = 30 × 30/49 × 30 = 900/1470
  4. Subtract the two fractions:
    343/1470 - 900/1470 = 343 - 900/1470 = -557/1470

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