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Add 1/2 and 21/10

1st number: 1/2, 2nd number: 2 1/10

1/2 + 21/10 is 13/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 10 is 10
  2. For the 1st fraction, since 2 × 5 = 10,
    1/2 = 1 × 5/2 × 5 = 5/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    21/10 = 21 × 1/10 × 1 = 21/10
  4. Add the two fractions:
    5/10 + 21/10 = 5 + 21/10 = 26/10
  5. 26/10 simplified gives 13/5
  6. So, 1/2 + 21/10 = 13/5
    In mixed form: 23/5

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