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Add 6/40 and 42/64

6/40 + 42/64 is 129/160.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 40 × 8 = 320,
    6/40 = 6 × 8/40 × 8 = 48/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    42/64 = 42 × 5/64 × 5 = 210/320
  4. Add the two like fractions:
    48/320 + 210/320 = 48 + 210/320 = 258/320
  5. 258/320 simplified gives 129/160
  6. So, 6/40 + 42/64 = 129/160

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