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Add 20/16 and 30/72

1st number: 1 4/16, 2nd number: 30/72

20/16 + 30/72 is 5/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 72 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 72 × 2 = 144,
    30/72 = 30 × 2/72 × 2 = 60/144
  4. Add the two like fractions:
    180/144 + 60/144 = 180 + 60/144 = 240/144
  5. 240/144 simplified gives 5/3
  6. So, 20/16 + 30/72 = 5/3
    In mixed form: 12/3

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