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Add 28/40 and 25/9

1st number: 28/40, 2nd number: 2 7/9

28/40 + 25/9 is 313/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    28/40 = 28 × 9/40 × 9 = 252/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    25/9 = 25 × 40/9 × 40 = 1000/360
  4. Add the two like fractions:
    252/360 + 1000/360 = 252 + 1000/360 = 1252/360
  5. 1252/360 simplified gives 313/90
  6. So, 28/40 + 25/9 = 313/90
    In mixed form: 343/90

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