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Subtract 7/4 from 20/6

1st number: 3 2/6, 2nd number: 1 3/4

20/6 - 7/4 is 19/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 4 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 6 × 2 = 12,
    20/6 = 20 × 2/6 × 2 = 40/12
  3. Likewise, for the 2nd fraction, since 4 × 3 = 12,
    7/4 = 7 × 3/4 × 3 = 21/12
  4. Subtract the two like fractions:
    40/12 - 21/12 = 40 - 21/12 = 19/12
  5. In mixed form: 17/12

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