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Add 18/45 and 9/16

18/45 + 9/16 is 77/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 16 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 16 × 45 = 720,
    9/16 = 9 × 45/16 × 45 = 405/720
  4. Add the two like fractions:
    288/720 + 405/720 = 288 + 405/720 = 693/720
  5. 693/720 simplified gives 77/80
  6. So, 18/45 + 9/16 = 77/80

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