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Add 20/90 and 15/64

20/90 + 15/64 is 263/576.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2880
  2. For the 1st fraction, since 90 × 32 = 2880,
    20/90 = 20 × 32/90 × 32 = 640/2880
  3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
    15/64 = 15 × 45/64 × 45 = 675/2880
  4. Add the two like fractions:
    640/2880 + 675/2880 = 640 + 675/2880 = 1315/2880
  5. 1315/2880 simplified gives 263/576
  6. So, 20/90 + 15/64 = 263/576

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