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Add 18/80 and 30/10

1st number: 18/80, 2nd number: 3 0/10

18/80 + 30/10 is 129/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 10 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    18/80 = 18 × 1/80 × 1 = 18/80
  3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
    30/10 = 30 × 8/10 × 8 = 240/80
  4. Add the two like fractions:
    18/80 + 240/80 = 18 + 240/80 = 258/80
  5. 258/80 simplified gives 129/40
  6. So, 18/80 + 30/10 = 129/40
    In mixed form: 39/40

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