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Add 15/32 and 20/70

15/32 + 20/70 is 169/224.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 70 is 1120

    Next, find the equivalent fraction of both fractional numbers with denominator 1120
  2. For the 1st fraction, since 32 × 35 = 1120,
    15/32 = 15 × 35/32 × 35 = 525/1120
  3. Likewise, for the 2nd fraction, since 70 × 16 = 1120,
    20/70 = 20 × 16/70 × 16 = 320/1120
  4. Add the two like fractions:
    525/1120 + 320/1120 = 525 + 320/1120 = 845/1120
  5. 845/1120 simplified gives 169/224
  6. So, 15/32 + 20/70 = 169/224

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