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Add 90/21 and 25/14

1st number: 4 6/21, 2nd number: 1 11/14

90/21 + 25/14 is 85/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 14 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    90/21 = 90 × 2/21 × 2 = 180/42
  3. Likewise, for the 2nd fraction, since 14 × 3 = 42,
    25/14 = 25 × 3/14 × 3 = 75/42
  4. Add the two like fractions:
    180/42 + 75/42 = 180 + 75/42 = 255/42
  5. 255/42 simplified gives 85/14
  6. So, 90/21 + 25/14 = 85/14
    In mixed form: 61/14

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