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Add 2/5 and 21/9

1st number: 2/5, 2nd number: 2 3/9

2/5 + 21/9 is 41/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 9 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 5 × 9 = 45,
    2/5 = 2 × 9/5 × 9 = 18/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    21/9 = 21 × 5/9 × 5 = 105/45
  4. Add the two like fractions:
    18/45 + 105/45 = 18 + 105/45 = 123/45
  5. 123/45 simplified gives 41/15
  6. So, 2/5 + 21/9 = 41/15
    In mixed form: 211/15

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