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Add 27/56 and 20/90

27/56 + 20/90 is 355/504.

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,
    27/56 = 27 × 45/56 × 45 = 1215/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    20/90 = 20 × 28/90 × 28 = 560/2520
  4. Add the two like fractions:
    1215/2520 + 560/2520 = 1215 + 560/2520 = 1775/2520
  5. 1775/2520 simplified gives 355/504
  6. So, 27/56 + 20/90 = 355/504

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