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Add 2/9 and 21/10

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

2/9 + 21/10 is 209/90.

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,
    2/9 = 2 × 10/9 × 10 = 20/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    21/10 = 21 × 9/10 × 9 = 189/90
  4. Add the two fractions:
    20/90 + 189/90 = 20 + 189/90 = 209/90
  5. In mixed form: 229/90

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