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Add 28/15 and 54/12

1st number: 1 13/15, 2nd number: 4 6/12

28/15 + 54/12 is 191/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 12 is 60
  2. For the 1st fraction, since 15 × 4 = 60,
    28/15 = 28 × 4/15 × 4 = 112/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    54/12 = 54 × 5/12 × 5 = 270/60
  4. Add the two fractions:
    112/60 + 270/60 = 112 + 270/60 = 382/60
  5. 382/60 simplified gives 191/30
  6. So, 28/15 + 54/12 = 191/30
    In mixed form: 611/30

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