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Add 20/64 and 3/90

20/64 + 3/90 is 83/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 90 is 2880

    Next, find the equivalent fraction of both fractional numbers with denominator 2880
  2. For the 1st fraction, since 64 × 45 = 2880,
    20/64 = 20 × 45/64 × 45 = 900/2880
  3. Likewise, for the 2nd fraction, since 90 × 32 = 2880,
    3/90 = 3 × 32/90 × 32 = 96/2880
  4. Add the two like fractions:
    900/2880 + 96/2880 = 900 + 96/2880 = 996/2880
  5. 996/2880 simplified gives 83/240
  6. So, 20/64 + 3/90 = 83/240

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