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Add 14/42 and 9/80

14/42 + 9/80 is 107/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 80 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 42 × 40 = 1680,
    14/42 = 14 × 40/42 × 40 = 560/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    9/80 = 9 × 21/80 × 21 = 189/1680
  4. Add the two like fractions:
    560/1680 + 189/1680 = 560 + 189/1680 = 749/1680
  5. 749/1680 simplified gives 107/240
  6. So, 14/42 + 9/80 = 107/240

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