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Add 18/64 and 21/56

18/64 + 21/56 is 21/32.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 448
  2. For the 1st fraction, since 64 × 7 = 448,
    18/64 = 18 × 7/64 × 7 = 126/448
  3. Likewise, for the 2nd fraction, since 56 × 8 = 448,
    21/56 = 21 × 8/56 × 8 = 168/448
  4. Add the two like fractions:
    126/448 + 168/448 = 126 + 168/448 = 294/448
  5. 294/448 simplified gives 21/32
  6. So, 18/64 + 21/56 = 21/32

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