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Add 28/56 and 3/90

28/56 + 3/90 is 8/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 90 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    28/56 = 28 × 45/56 × 45 = 1260/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    3/90 = 3 × 28/90 × 28 = 84/2520
  4. Add the two like fractions:
    1260/2520 + 84/2520 = 1260 + 84/2520 = 1344/2520
  5. 1344/2520 simplified gives 8/15
  6. So, 28/56 + 3/90 = 8/15

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