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Add 42/64 and 9/45

42/64 + 9/45 is 137/160.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 45 is 2880

    Next, find the equivalent fraction of both fractional numbers with denominator 2880
  2. For the 1st fraction, since 64 × 45 = 2880,
    42/64 = 42 × 45/64 × 45 = 1890/2880
  3. Likewise, for the 2nd fraction, since 45 × 64 = 2880,
    9/45 = 9 × 64/45 × 64 = 576/2880
  4. Add the two like fractions:
    1890/2880 + 576/2880 = 1890 + 576/2880 = 2466/2880
  5. 2466/2880 simplified gives 137/160
  6. So, 42/64 + 9/45 = 137/160

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