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Add 54/80 and 4/9

54/80 + 4/9 is 403/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 9 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    54/80 = 54 × 9/80 × 9 = 486/720
  3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
    4/9 = 4 × 80/9 × 80 = 320/720
  4. Add the two like fractions:
    486/720 + 320/720 = 486 + 320/720 = 806/720
  5. 806/720 simplified gives 403/360
  6. So, 54/80 + 4/9 = 403/360
    In mixed form: 143/360

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