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Add 28/80 and 25/10

1st number: 28/80, 2nd number: 2 5/10

28/80 + 25/10 is 57/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 10 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    28/80 = 28 × 1/80 × 1 = 28/80
  3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
    25/10 = 25 × 8/10 × 8 = 200/80
  4. Add the two like fractions:
    28/80 + 200/80 = 28 + 200/80 = 228/80
  5. 228/80 simplified gives 57/20
  6. So, 28/80 + 25/10 = 57/20
    In mixed form: 217/20

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