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Add 21/9 and 2/10

1st number: 2 3/9, 2nd number: 2/10

21/9 + 2/10 is 38/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 10 is 90
  2. For the 1st fraction, since 9 × 10 = 90,
    21/9 = 21 × 10/9 × 10 = 210/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    2/10 = 2 × 9/10 × 9 = 18/90
  4. Add the two fractions:
    210/90 + 18/90 = 210 + 18/90 = 228/90
  5. After reducing the fraction, the answer is 38/15
  6. In mixed form: 28/15

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