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Add 27/21 and 10/8

1st number: 1 6/21, 2nd number: 1 2/8

27/21 + 10/8 is 71/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    27/21 = 27 × 8/21 × 8 = 216/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    10/8 = 10 × 21/8 × 21 = 210/168
  4. Add the two like fractions:
    216/168 + 210/168 = 216 + 210/168 = 426/168
  5. 426/168 simplified gives 71/28
  6. So, 27/21 + 10/8 = 71/28
    In mixed form: 215/28

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