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Add 20/5 and 7/9

1st number: 4 0/5, 2nd number: 7/9

20/5 + 7/9 is 43/9.

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,
    20/5 = 20 × 9/5 × 9 = 180/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    7/9 = 7 × 5/9 × 5 = 35/45
  4. Add the two like fractions:
    180/45 + 35/45 = 180 + 35/45 = 215/45
  5. 215/45 simplified gives 43/9
  6. So, 20/5 + 7/9 = 43/9
    In mixed form: 47/9

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