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Add 12/8 and 80/45

1st number: 1 4/8, 2nd number: 1 35/45

12/8 + 80/45 is 59/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    12/8 = 12 × 45/8 × 45 = 540/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    80/45 = 80 × 8/45 × 8 = 640/360
  4. Add the two like fractions:
    540/360 + 640/360 = 540 + 640/360 = 1180/360
  5. 1180/360 simplified gives 59/18
  6. So, 12/8 + 80/45 = 59/18
    In mixed form: 35/18

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