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Add 15/28 and 81/15

1st number: 15/28, 2nd number: 5 6/15

15/28 + 81/15 is 831/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 15 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    15/28 = 15 × 15/28 × 15 = 225/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    81/15 = 81 × 28/15 × 28 = 2268/420
  4. Add the two like fractions:
    225/420 + 2268/420 = 225 + 2268/420 = 2493/420
  5. 2493/420 simplified gives 831/140
  6. So, 15/28 + 81/15 = 831/140
    In mixed form: 5131/140

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