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Add 20/54 and 63/90

20/54 + 63/90 is 289/270.

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,
    20/54 = 20 × 5/54 × 5 = 100/270
  3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
    63/90 = 63 × 3/90 × 3 = 189/270
  4. Add the two like fractions:
    100/270 + 189/270 = 100 + 189/270 = 289/270
  5. So, 20/54 + 63/90 = 289/270
    In mixed form: 119/270

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