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Add 18/30 and 72/10

1st number: 18/30, 2nd number: 7 2/10

18/30 + 72/10 is 39/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 10 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 30 × 1 = 30,
    18/30 = 18 × 1/30 × 1 = 18/30
  3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
    72/10 = 72 × 3/10 × 3 = 216/30
  4. Add the two like fractions:
    18/30 + 216/30 = 18 + 216/30 = 234/30
  5. 234/30 simplified gives 39/5
  6. So, 18/30 + 72/10 = 39/5
    In mixed form: 74/5

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