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Subtract 30/20 from 20/14

1st number: 1 6/14, 2nd number: 1 10/20

20/14 - 30/20 is -1/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 14 × 10 = 140,
    20/14 = 20 × 10/14 × 10 = 200/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    30/20 = 30 × 7/20 × 7 = 210/140
  4. Subtract the two like fractions:
    200/140 - 210/140 = 200 - 210/140 = -10/140
  5. After reducing the fraction, the answer is -1/14

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