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Add 21/35 and 54/64

21/35 + 54/64 is 231/160.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 64 is 2240

    Next, find the equivalent fraction of both fractional numbers with denominator 2240
  2. For the 1st fraction, since 35 × 64 = 2240,
    21/35 = 21 × 64/35 × 64 = 1344/2240
  3. Likewise, for the 2nd fraction, since 64 × 35 = 2240,
    54/64 = 54 × 35/64 × 35 = 1890/2240
  4. Add the two like fractions:
    1344/2240 + 1890/2240 = 1344 + 1890/2240 = 3234/2240
  5. 3234/2240 simplified gives 231/160
  6. So, 21/35 + 54/64 = 231/160
    In mixed form: 171/160

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