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Add 30/56 and 20/90

30/56 + 20/90 is 191/252.

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,
    30/56 = 30 × 45/56 × 45 = 1350/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    20/90 = 20 × 28/90 × 28 = 560/2520
  4. Add the two like fractions:
    1350/2520 + 560/2520 = 1350 + 560/2520 = 1910/2520
  5. 1910/2520 simplified gives 191/252
  6. So, 30/56 + 20/90 = 191/252

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