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Subtract 18/30 from 1/49

1/49 - 18/30 is -142/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 30 is 1470

    Next, find the equivalent fraction of both fractional numbers with denominator 1470
  2. For the 1st fraction, since 49 × 30 = 1470,
    1/49 = 1 × 30/49 × 30 = 30/1470
  3. Likewise, for the 2nd fraction, since 30 × 49 = 1470,
    18/30 = 18 × 49/30 × 49 = 882/1470
  4. Subtract the two like fractions:
    30/1470 - 882/1470 = 30 - 882/1470 = -852/1470
  5. After reducing the fraction, the answer is -142/245

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