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Add 16/9 and 4/20

1st number: 1 7/9, 2nd number: 4/20

16/9 + 4/20 is 89/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    16/9 = 16 × 20/9 × 20 = 320/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    4/20 = 4 × 9/20 × 9 = 36/180
  4. Add the two like fractions:
    320/180 + 36/180 = 320 + 36/180 = 356/180
  5. 356/180 simplified gives 89/45
  6. So, 16/9 + 4/20 = 89/45
    In mixed form: 144/45

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