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Add 20/9 and 72/16

1st number: 2 2/9, 2nd number: 4 8/16

20/9 + 72/16 is 121/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 16 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 9 × 16 = 144,
    20/9 = 20 × 16/9 × 16 = 320/144
  3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
    72/16 = 72 × 9/16 × 9 = 648/144
  4. Add the two like fractions:
    320/144 + 648/144 = 320 + 648/144 = 968/144
  5. 968/144 simplified gives 121/18
  6. So, 20/9 + 72/16 = 121/18
    In mixed form: 613/18

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