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Add 30/80 and 12/8

1st number: 30/80, 2nd number: 1 4/8

30/80 + 12/8 is 15/8.

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,
    30/80 = 30 × 1/80 × 1 = 30/80
  3. Likewise, for the 2nd fraction, since 8 × 10 = 80,
    12/8 = 12 × 10/8 × 10 = 120/80
  4. Add the two like fractions:
    30/80 + 120/80 = 30 + 120/80 = 150/80
  5. 150/80 simplified gives 15/8
  6. So, 30/80 + 12/8 = 15/8
    In mixed form: 17/8

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