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Add 18/56 and 42/64

18/56 + 42/64 is 219/224.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 64 is 448

    Next, find the equivalent fraction of both fractional numbers with denominator 448
  2. For the 1st fraction, since 56 × 8 = 448,
    18/56 = 18 × 8/56 × 8 = 144/448
  3. Likewise, for the 2nd fraction, since 64 × 7 = 448,
    42/64 = 42 × 7/64 × 7 = 294/448
  4. Add the two like fractions:
    144/448 + 294/448 = 144 + 294/448 = 438/448
  5. 438/448 simplified gives 219/224
  6. So, 18/56 + 42/64 = 219/224

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