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Subtract 12/20 from 40/14

1st number: 2 12/14, 2nd number: 12/20

40/14 - 12/20 is 79/35.

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,
    40/14 = 40 × 10/14 × 10 = 400/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    12/20 = 12 × 7/20 × 7 = 84/140
  4. Subtract the two like fractions:
    400/140 - 84/140 = 400 - 84/140 = 316/140
  5. After reducing the fraction, the answer is 79/35
  6. In mixed form: 29/35

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