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Add 5/18 and 30/80

5/18 + 30/80 is 47/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 18 × 40 = 720,
    5/18 = 5 × 40/18 × 40 = 200/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    30/80 = 30 × 9/80 × 9 = 270/720
  4. Add the two like fractions:
    200/720 + 270/720 = 200 + 270/720 = 470/720
  5. 470/720 simplified gives 47/72
  6. So, 5/18 + 30/80 = 47/72

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