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Add 10/45 and 12/80

10/45 + 12/80 is 67/180.

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,
    10/45 = 10 × 16/45 × 16 = 160/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    12/80 = 12 × 9/80 × 9 = 108/720
  4. Add the two like fractions:
    160/720 + 108/720 = 160 + 108/720 = 268/720
  5. 268/720 simplified gives 67/180
  6. So, 10/45 + 12/80 = 67/180

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