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Add 56/84 and 20/98

56/84 + 20/98 is 128/147.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 98 is 588
  2. For the 1st fraction, since 84 × 7 = 588,
    56/84 = 56 × 7/84 × 7 = 392/588
  3. Likewise, for the 2nd fraction, since 98 × 6 = 588,
    20/98 = 20 × 6/98 × 6 = 120/588
  4. Add the two fractions:
    392/588 + 120/588 = 392 + 120/588 = 512/588
  5. 512/588 simplified gives 128/147
  6. So, 56/84 + 20/98 = 128/147

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