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Add 30/80 and 27/72

30/80 + 27/72 is 3/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 72 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    30/80 = 30 × 9/80 × 9 = 270/720
  3. Likewise, for the 2nd fraction, since 72 × 10 = 720,
    27/72 = 27 × 10/72 × 10 = 270/720
  4. Add the two like fractions:
    270/720 + 270/720 = 270 + 270/720 = 540/720
  5. 540/720 simplified gives 3/4
  6. So, 30/80 + 27/72 = 3/4

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