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Add 9/28 and 15/35

9/28 + 15/35 is 3/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 35 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    9/28 = 9 × 5/28 × 5 = 45/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    15/35 = 15 × 4/35 × 4 = 60/140
  4. Add the two like fractions:
    45/140 + 60/140 = 45 + 60/140 = 105/140
  5. 105/140 simplified gives 3/4
  6. So, 9/28 + 15/35 = 3/4

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