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Add 18/56 and 15/90

18/56 + 15/90 is 41/84.

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,
    18/56 = 18 × 45/56 × 45 = 810/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    15/90 = 15 × 28/90 × 28 = 420/2520
  4. Add the two like fractions:
    810/2520 + 420/2520 = 810 + 420/2520 = 1230/2520
  5. 1230/2520 simplified gives 41/84
  6. So, 18/56 + 15/90 = 41/84

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