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Add 21/18 and 7/9

1st number: 1 3/18, 2nd number: 7/9

21/18 + 7/9 is 35/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 9 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 18 × 1 = 18,
    21/18 = 21 × 1/18 × 1 = 21/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    7/9 = 7 × 2/9 × 2 = 14/18
  4. Add the two like fractions:
    21/18 + 14/18 = 21 + 14/18 = 35/18
  5. So, 21/18 + 7/9 = 35/18
    In mixed form: 117/18

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