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Add 16/45 and 21/54

16/45 + 21/54 is 67/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 45 × 6 = 270,
    16/45 = 16 × 6/45 × 6 = 96/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    21/54 = 21 × 5/54 × 5 = 105/270
  4. Add the two like fractions:
    96/270 + 105/270 = 96 + 105/270 = 201/270
  5. 201/270 simplified gives 67/90
  6. So, 16/45 + 21/54 = 67/90

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