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Add 8/10 and 21/27

8/10 + 21/27 is 71/45.

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,
    8/10 = 8 × 27/10 × 27 = 216/270
  3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
    21/27 = 21 × 10/27 × 10 = 210/270
  4. Add the two like fractions:
    216/270 + 210/270 = 216 + 210/270 = 426/270
  5. 426/270 simplified gives 71/45
  6. So, 8/10 + 21/27 = 71/45
    In mixed form: 126/45

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