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Add 4/20 and 42/64

4/20 + 42/64 is 137/160.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 20 × 16 = 320,
    4/20 = 4 × 16/20 × 16 = 64/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    42/64 = 42 × 5/64 × 5 = 210/320
  4. Add the two like fractions:
    64/320 + 210/320 = 64 + 210/320 = 274/320
  5. 274/320 simplified gives 137/160
  6. So, 4/20 + 42/64 = 137/160

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