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Add 54/15 and 28/45

1st number: 3 9/15, 2nd number: 28/45

54/15 + 28/45 is 38/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 45 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 15 × 3 = 45,
    54/15 = 54 × 3/15 × 3 = 162/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    28/45 = 28 × 1/45 × 1 = 28/45
  4. Add the two like fractions:
    162/45 + 28/45 = 162 + 28/45 = 190/45
  5. 190/45 simplified gives 38/9
  6. So, 54/15 + 28/45 = 38/9
    In mixed form: 42/9

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