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Add 7/15 and 18/28

7/15 + 18/28 is 233/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 28 is 420
  2. For the 1st fraction, since 15 × 28 = 420,
    7/15 = 7 × 28/15 × 28 = 196/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    18/28 = 18 × 15/28 × 15 = 270/420
  4. Add the two fractions:
    196/420 + 270/420 = 196 + 270/420 = 466/420
  5. After reducing the fraction, the answer is 233/210
  6. In mixed form: 123/210

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