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Add 3/45 and 15/84

3/45 + 15/84 is 103/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 84 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 45 × 28 = 1260,
    3/45 = 3 × 28/45 × 28 = 84/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    15/84 = 15 × 15/84 × 15 = 225/1260
  4. Add the two like fractions:
    84/1260 + 225/1260 = 84 + 225/1260 = 309/1260
  5. 309/1260 simplified gives 103/420
  6. So, 3/45 + 15/84 = 103/420

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