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Add 72/20 and 12/16

1st number: 3 12/20, 2nd number: 12/16

72/20 + 12/16 is 87/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    72/20 = 72 × 4/20 × 4 = 288/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    12/16 = 12 × 5/16 × 5 = 60/80
  4. Add the two like fractions:
    288/80 + 60/80 = 288 + 60/80 = 348/80
  5. 348/80 simplified gives 87/20
  6. So, 72/20 + 12/16 = 87/20
    In mixed form: 47/20

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