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Add 28/15 and 18/36

1st number: 1 13/15, 2nd number: 18/36

28/15 + 18/36 is 71/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 15 × 12 = 180,
    28/15 = 28 × 12/15 × 12 = 336/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    18/36 = 18 × 5/36 × 5 = 90/180
  4. Add the two like fractions:
    336/180 + 90/180 = 336 + 90/180 = 426/180
  5. 426/180 simplified gives 71/30
  6. So, 28/15 + 18/36 = 71/30
    In mixed form: 211/30

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