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Add 21/9 and 4/7

1st number: 2 3/9, 2nd number: 4/7

21/9 + 4/7 is 61/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 7 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 9 × 7 = 63,
    21/9 = 21 × 7/9 × 7 = 147/63
  3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
    4/7 = 4 × 9/7 × 9 = 36/63
  4. Add the two like fractions:
    147/63 + 36/63 = 147 + 36/63 = 183/63
  5. 183/63 simplified gives 61/21
  6. So, 21/9 + 4/7 = 61/21
    In mixed form: 219/21

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