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Add 1/9 and 70/21

1st number: 1/9, 2nd number: 3 7/21

1/9 + 70/21 is 31/9.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 9 × 7 = 63,
    1/9 = 1 × 7/9 × 7 = 7/63
  3. Likewise, for the 2nd fraction, since 21 × 3 = 63,
    70/21 = 70 × 3/21 × 3 = 210/63
  4. Add the two like fractions:
    7/63 + 210/63 = 7 + 210/63 = 217/63
  5. 217/63 simplified gives 31/9
  6. So, 1/9 + 70/21 = 31/9
    In mixed form: 34/9

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