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Add 12/25 and 20/28

12/25 + 20/28 is 209/175.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 28 is 700

    Next, find the equivalent fraction of both fractional numbers with denominator 700
  2. For the 1st fraction, since 25 × 28 = 700,
    12/25 = 12 × 28/25 × 28 = 336/700
  3. Likewise, for the 2nd fraction, since 28 × 25 = 700,
    20/28 = 20 × 25/28 × 25 = 500/700
  4. Add the two like fractions:
    336/700 + 500/700 = 336 + 500/700 = 836/700
  5. 836/700 simplified gives 209/175
  6. So, 12/25 + 20/28 = 209/175
    In mixed form: 134/175

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