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Add 80/12 and 54/72

1st number: 6 8/12, 2nd number: 54/72

80/12 + 54/72 is 89/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 72 is 72
  2. For the 1st fraction, since 12 × 6 = 72,
    80/12 = 80 × 6/12 × 6 = 480/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    54/72 = 54 × 1/72 × 1 = 54/72
  4. Add the two fractions:
    480/72 + 54/72 = 480 + 54/72 = 534/72
  5. 534/72 simplified gives 89/12
  6. So, 80/12 + 54/72 = 89/12
    In mixed form: 75/12

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