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Add 45/80 and 25/9

1st number: 45/80, 2nd number: 2 7/9

45/80 + 25/9 is 481/144.

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,
    45/80 = 45 × 9/80 × 9 = 405/720
  3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
    25/9 = 25 × 80/9 × 80 = 2000/720
  4. Add the two like fractions:
    405/720 + 2000/720 = 405 + 2000/720 = 2405/720
  5. 2405/720 simplified gives 481/144
  6. So, 45/80 + 25/9 = 481/144
    In mixed form: 349/144

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