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Add 9/10 and 20/49

9/10 + 20/49 is 641/490.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 49 is 490
  2. For the 1st fraction, since 10 × 49 = 490,
    9/10 = 9 × 49/10 × 49 = 441/490
  3. Likewise, for the 2nd fraction, since 49 × 10 = 490,
    20/49 = 20 × 10/49 × 10 = 200/490
  4. Add the two fractions:
    441/490 + 200/490 = 441 + 200/490 = 641/490
  5. In mixed form: 1151/490

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