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Add 9/14 and 15/20

9/14 + 15/20 is 39/28.

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,
    9/14 = 9 × 10/14 × 10 = 90/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    15/20 = 15 × 7/20 × 7 = 105/140
  4. Add the two like fractions:
    90/140 + 105/140 = 90 + 105/140 = 195/140
  5. 195/140 simplified gives 39/28
  6. So, 9/14 + 15/20 = 39/28
    In mixed form: 111/28

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