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Add 48/15 and 81/28

1st number: 3 3/15, 2nd number: 2 25/28

48/15 + 81/28 is 853/140.

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,
    48/15 = 48 × 28/15 × 28 = 1344/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    81/28 = 81 × 15/28 × 15 = 1215/420
  4. Add the two like fractions:
    1344/420 + 1215/420 = 1344 + 1215/420 = 2559/420
  5. 2559/420 simplified gives 853/140
  6. So, 48/15 + 81/28 = 853/140
    In mixed form: 613/140

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