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Add 21/5 and 7/9

1st number: 4 1/5, 2nd number: 7/9

21/5 + 7/9 is 224/45.

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,
    21/5 = 21 × 9/5 × 9 = 189/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    7/9 = 7 × 5/9 × 5 = 35/45
  4. Add the two like fractions:
    189/45 + 35/45 = 189 + 35/45 = 224/45
  5. So, 21/5 + 7/9 = 224/45
    In mixed form: 444/45

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