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Add 4/54 and 21/45

4/54 + 21/45 is 73/135.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    4/54 = 4 × 5/54 × 5 = 20/270
  3. Likewise, for the 2nd fraction, since 45 × 6 = 270,
    21/45 = 21 × 6/45 × 6 = 126/270
  4. Add the two like fractions:
    20/270 + 126/270 = 20 + 126/270 = 146/270
  5. 146/270 simplified gives 73/135
  6. So, 4/54 + 21/45 = 73/135

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