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Add 72/80 and 18/8

1st number: 72/80, 2nd number: 2 2/8

72/80 + 18/8 is 63/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 8 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    72/80 = 72 × 1/80 × 1 = 72/80
  3. Likewise, for the 2nd fraction, since 8 × 10 = 80,
    18/8 = 18 × 10/8 × 10 = 180/80
  4. Add the two like fractions:
    72/80 + 180/80 = 72 + 180/80 = 252/80
  5. 252/80 simplified gives 63/20
  6. So, 72/80 + 18/8 = 63/20
    In mixed form: 33/20

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