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Add 18/45 and 6/80

18/45 + 6/80 is 19/40.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 45 × 16 = 720,
    18/45 = 18 × 16/45 × 16 = 288/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    6/80 = 6 × 9/80 × 9 = 54/720
  4. Add the two like fractions:
    288/720 + 54/720 = 288 + 54/720 = 342/720
  5. 342/720 simplified gives 19/40
  6. So, 18/45 + 6/80 = 19/40

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