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Add 12/80 and 35/45

12/80 + 35/45 is 167/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 45 is 720
  2. For the 1st fraction, since 80 × 9 = 720,
    12/80 = 12 × 9/80 × 9 = 108/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    35/45 = 35 × 16/45 × 16 = 560/720
  4. Add the two fractions:
    108/720 + 560/720 = 108 + 560/720 = 668/720
  5. 668/720 simplified gives 167/180
  6. So, 12/80 + 35/45 = 167/180

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