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Add 15/28 and 84/45

1st number: 15/28, 2nd number: 1 39/45

15/28 + 84/45 is 1009/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 45 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    15/28 = 15 × 45/28 × 45 = 675/1260
  3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
    84/45 = 84 × 28/45 × 28 = 2352/1260
  4. Add the two like fractions:
    675/1260 + 2352/1260 = 675 + 2352/1260 = 3027/1260
  5. 3027/1260 simplified gives 1009/420
  6. So, 15/28 + 84/45 = 1009/420
    In mixed form: 2169/420

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