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Add 15/2 and 3/84

1st number: 7 1/2, 2nd number: 3/84

15/2 + 3/84 is 211/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 84 is 84
  2. For the 1st fraction, since 2 × 42 = 84,
    15/2 = 15 × 42/2 × 42 = 630/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    3/84 = 3 × 1/84 × 1 = 3/84
  4. Add the two fractions:
    630/84 + 3/84 = 630 + 3/84 = 633/84
  5. After reducing the fraction, the answer is 211/28
  6. In mixed form: 715/28

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