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Add 16/20 and 21/18

1st number: 16/20, 2nd number: 1 3/18

16/20 + 21/18 is 59/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 18 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    16/20 = 16 × 9/20 × 9 = 144/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    21/18 = 21 × 10/18 × 10 = 210/180
  4. Add the two like fractions:
    144/180 + 210/180 = 144 + 210/180 = 354/180
  5. 354/180 simplified gives 59/30
  6. So, 16/20 + 21/18 = 59/30
    In mixed form: 129/30

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