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Add 30/9 and 21/10

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

30/9 + 21/10 is 163/30.

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,
    30/9 = 30 × 10/9 × 10 = 300/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    21/10 = 21 × 9/10 × 9 = 189/90
  4. Add the two fractions:
    300/90 + 189/90 = 300 + 189/90 = 489/90
  5. After reducing the fraction, the answer is 163/30
  6. In mixed form: 513/30

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