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Add 28/20 and 54/12

1st number: 1 8/20, 2nd number: 4 6/12

28/20 + 54/12 is 59/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 12 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    28/20 = 28 × 3/20 × 3 = 84/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    54/12 = 54 × 5/12 × 5 = 270/60
  4. Add the two fractions:
    84/60 + 270/60 = 84 + 270/60 = 354/60
  5. After reducing the fraction, the answer is 59/10
  6. In mixed form: 59/10

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