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Subtract 3/9 from 20/14

1st number: 1 6/14, 2nd number: 3/9

20/14 - 3/9 is 23/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 9 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 14 × 9 = 126,
    20/14 = 20 × 9/14 × 9 = 180/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    3/9 = 3 × 14/9 × 14 = 42/126
  4. Subtract the two like fractions:
    180/126 - 42/126 = 180 - 42/126 = 138/126
  5. After reducing the fraction, the answer is 23/21
  6. In mixed form: 12/21

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