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Add 16/21 and 7/9

16/21 + 7/9 is 97/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 21 × 3 = 63,
    16/21 = 16 × 3/21 × 3 = 48/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    7/9 = 7 × 7/9 × 7 = 49/63
  4. Add the two like fractions:
    48/63 + 49/63 = 48 + 49/63 = 97/63
  5. So, 16/21 + 7/9 = 97/63
    In mixed form: 134/63

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