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Add 5/10 and 21/27

5/10 + 21/27 is 23/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 27 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 10 × 27 = 270,
    5/10 = 5 × 27/10 × 27 = 135/270
  3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
    21/27 = 21 × 10/27 × 10 = 210/270
  4. Add the two like fractions:
    135/270 + 210/270 = 135 + 210/270 = 345/270
  5. 345/270 simplified gives 23/18
  6. So, 5/10 + 21/27 = 23/18
    In mixed form: 15/18

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