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Add 20/16 and 21/9

1st number: 1 4/16, 2nd number: 2 3/9

20/16 + 21/9 is 43/12.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 16 × 9 = 144,
    20/16 = 20 × 9/16 × 9 = 180/144
  3. Likewise, for the 2nd fraction, since 9 × 16 = 144,
    21/9 = 21 × 16/9 × 16 = 336/144
  4. Add the two like fractions:
    180/144 + 336/144 = 180 + 336/144 = 516/144
  5. 516/144 simplified gives 43/12
  6. So, 20/16 + 21/9 = 43/12
    In mixed form: 37/12

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