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Add 81/15 and 98/28

1st number: 5 6/15, 2nd number: 3 14/28

81/15 + 98/28 is 89/10.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 15 × 28 = 420,
    81/15 = 81 × 28/15 × 28 = 2268/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    98/28 = 98 × 15/28 × 15 = 1470/420
  4. Add the two like fractions:
    2268/420 + 1470/420 = 2268 + 1470/420 = 3738/420
  5. 3738/420 simplified gives 89/10
  6. So, 81/15 + 98/28 = 89/10
    In mixed form: 89/10

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