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Add 3/14 and 18/20

3/14 + 18/20 is 39/35.

Steps for adding 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,
    3/14 = 3 × 10/14 × 10 = 30/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    18/20 = 18 × 7/20 × 7 = 126/140
  4. Add the two like fractions:
    30/140 + 126/140 = 30 + 126/140 = 156/140
  5. 156/140 simplified gives 39/35
  6. So, 3/14 + 18/20 = 39/35
    In mixed form: 14/35

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