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Subtract 30/18 from 7/49

1st number: 7/49, 2nd number: 1 12/18

7/49 - 30/18 is -32/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 18 is 882
  2. For the 1st fraction, since 49 × 18 = 882,
    7/49 = 7 × 18/49 × 18 = 126/882
  3. Likewise, for the 2nd fraction, since 18 × 49 = 882,
    30/18 = 30 × 49/18 × 49 = 1470/882
  4. Subtract the two fractions:
    126/882 - 1470/882 = 126 - 1470/882 = -1344/882
  5. After reducing the fraction, the answer is -32/21

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