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Add 18/49 and 9/10

18/49 + 9/10 is 621/490.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 10 is 490
  2. For the 1st fraction, since 49 × 10 = 490,
    18/49 = 18 × 10/49 × 10 = 180/490
  3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
    9/10 = 9 × 49/10 × 49 = 441/490
  4. Add the two fractions:
    180/490 + 441/490 = 180 + 441/490 = 621/490
  5. So, 18/49 + 9/10 = 621/490
    In mixed form: 1131/490

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