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Add 18/27 and 90/35

1st number: 18/27, 2nd number: 2 20/35

18/27 + 90/35 is 68/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 35 is 945

    Next, find the equivalent fraction of both fractional numbers with denominator 945
  2. For the 1st fraction, since 27 × 35 = 945,
    18/27 = 18 × 35/27 × 35 = 630/945
  3. Likewise, for the 2nd fraction, since 35 × 27 = 945,
    90/35 = 90 × 27/35 × 27 = 2430/945
  4. Add the two like fractions:
    630/945 + 2430/945 = 630 + 2430/945 = 3060/945
  5. 3060/945 simplified gives 68/21
  6. So, 18/27 + 90/35 = 68/21
    In mixed form: 35/21

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