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Add 9/14 and 30/40

9/14 + 30/40 is 39/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 14 × 20 = 280,
    9/14 = 9 × 20/14 × 20 = 180/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    30/40 = 30 × 7/40 × 7 = 210/280
  4. Add the two like fractions:
    180/280 + 210/280 = 180 + 210/280 = 390/280
  5. 390/280 simplified gives 39/28
  6. So, 9/14 + 30/40 = 39/28
    In mixed form: 111/28

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