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Add 12/20 and 9/14

12/20 + 9/14 is 87/70.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    12/20 = 12 × 7/20 × 7 = 84/140
  3. Likewise, for the 2nd fraction, since 14 × 10 = 140,
    9/14 = 9 × 10/14 × 10 = 90/140
  4. Add the two like fractions:
    84/140 + 90/140 = 84 + 90/140 = 174/140
  5. 174/140 simplified gives 87/70
  6. So, 12/20 + 9/14 = 87/70
    In mixed form: 117/70

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