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Add 21/54 and 6/90

21/54 + 6/90 is 41/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 90 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    21/54 = 21 × 5/54 × 5 = 105/270
  3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
    6/90 = 6 × 3/90 × 3 = 18/270
  4. Add the two like fractions:
    105/270 + 18/270 = 105 + 18/270 = 123/270
  5. 123/270 simplified gives 41/90
  6. So, 21/54 + 6/90 = 41/90

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