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Add 27/80 and 2/45

27/80 + 2/45 is 55/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    27/80 = 27 × 9/80 × 9 = 243/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    2/45 = 2 × 16/45 × 16 = 32/720
  4. Add the two like fractions:
    243/720 + 32/720 = 243 + 32/720 = 275/720
  5. 275/720 simplified gives 55/144
  6. So, 27/80 + 2/45 = 55/144

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