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Add 1/21 and 10/9

1st number: 1/21, 2nd number: 1 1/9

1/21 + 10/9 is 73/63.

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,
    1/21 = 1 × 3/21 × 3 = 3/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    10/9 = 10 × 7/9 × 7 = 70/63
  4. Add the two like fractions:
    3/63 + 70/63 = 3 + 70/63 = 73/63
  5. So, 1/21 + 10/9 = 73/63
    In mixed form: 110/63

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