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Add 28/15 and 18/35

1st number: 1 13/15, 2nd number: 18/35

28/15 + 18/35 is 50/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 35 is 105
  2. For the 1st fraction, since 15 × 7 = 105,
    28/15 = 28 × 7/15 × 7 = 196/105
  3. Likewise, for the 2nd fraction, since 35 × 3 = 105,
    18/35 = 18 × 3/35 × 3 = 54/105
  4. Add the two fractions:
    196/105 + 54/105 = 196 + 54/105 = 250/105
  5. After reducing the fraction, the answer is 50/21
  6. In mixed form: 28/21

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