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Add 28/40 and 45/18

1st number: 28/40, 2nd number: 2 9/18

28/40 + 45/18 is 16/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 18 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 18 × 20 = 360,
    45/18 = 45 × 20/18 × 20 = 900/360
  4. Add the two like fractions:
    252/360 + 900/360 = 252 + 900/360 = 1152/360
  5. 1152/360 simplified gives 16/5
  6. So, 28/40 + 45/18 = 16/5
    In mixed form: 31/5

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