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Add 1/45 and 21/54

1/45 + 21/54 is 37/90.

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,
    1/45 = 1 × 6/45 × 6 = 6/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    21/54 = 21 × 5/54 × 5 = 105/270
  4. Add the two like fractions:
    6/270 + 105/270 = 6 + 105/270 = 111/270
  5. 111/270 simplified gives 37/90
  6. So, 1/45 + 21/54 = 37/90

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