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Add 2/5 and 28/80

2/5 + 28/80 is 3/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 5 × 16 = 80,
    2/5 = 2 × 16/5 × 16 = 32/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    28/80 = 28 × 1/80 × 1 = 28/80
  4. Add the two like fractions:
    32/80 + 28/80 = 32 + 28/80 = 60/80
  5. 60/80 simplified gives 3/4
  6. So, 2/5 + 28/80 = 3/4

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