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Add 10/2 and 81/21

1st number: 5 0/2, 2nd number: 3 18/21

10/2 + 81/21 is 62/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 21 is 42
  2. For the 1st fraction, since 2 × 21 = 42,
    10/2 = 10 × 21/2 × 21 = 210/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    81/21 = 81 × 2/21 × 2 = 162/42
  4. Add the two fractions:
    210/42 + 162/42 = 210 + 162/42 = 372/42
  5. 372/42 simplified gives 62/7
  6. So, 10/2 + 81/21 = 62/7
    In mixed form: 86/7

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