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Add 28/70 and 24/64

28/70 + 24/64 is 31/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 64 is 2240

    Next, find the equivalent fraction of both fractional numbers with denominator 2240
  2. For the 1st fraction, since 70 × 32 = 2240,
    28/70 = 28 × 32/70 × 32 = 896/2240
  3. Likewise, for the 2nd fraction, since 64 × 35 = 2240,
    24/64 = 24 × 35/64 × 35 = 840/2240
  4. Add the two like fractions:
    896/2240 + 840/2240 = 896 + 840/2240 = 1736/2240
  5. 1736/2240 simplified gives 31/40
  6. So, 28/70 + 24/64 = 31/40

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