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Add 30/75 and 20/64

30/75 + 20/64 is 57/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 64 is 4800

    Next, find the equivalent fraction of both fractional numbers with denominator 4800
  2. For the 1st fraction, since 75 × 64 = 4800,
    30/75 = 30 × 64/75 × 64 = 1920/4800
  3. Likewise, for the 2nd fraction, since 64 × 75 = 4800,
    20/64 = 20 × 75/64 × 75 = 1500/4800
  4. Add the two like fractions:
    1920/4800 + 1500/4800 = 1920 + 1500/4800 = 3420/4800
  5. 3420/4800 simplified gives 57/80
  6. So, 30/75 + 20/64 = 57/80

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