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Add 28/15 and 21/6

1st number: 1 13/15, 2nd number: 3 3/6

28/15 + 21/6 is 161/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 6 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 15 × 2 = 30,
    28/15 = 28 × 2/15 × 2 = 56/30
  3. Likewise, for the 2nd fraction, since 6 × 5 = 30,
    21/6 = 21 × 5/6 × 5 = 105/30
  4. Add the two like fractions:
    56/30 + 105/30 = 56 + 105/30 = 161/30
  5. So, 28/15 + 21/6 = 161/30
    In mixed form: 511/30

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