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Add 6/28 and 27/90

6/28 + 27/90 is 18/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    6/28 = 6 × 45/28 × 45 = 270/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    27/90 = 27 × 14/90 × 14 = 378/1260
  4. Add the two like fractions:
    270/1260 + 378/1260 = 270 + 378/1260 = 648/1260
  5. 648/1260 simplified gives 18/35
  6. So, 6/28 + 27/90 = 18/35

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