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Add 98/21 and 7/4

1st number: 4 14/21, 2nd number: 1 3/4

98/21 + 7/4 is 77/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 4 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    98/21 = 98 × 4/21 × 4 = 392/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    7/4 = 7 × 21/4 × 21 = 147/84
  4. Add the two like fractions:
    392/84 + 147/84 = 392 + 147/84 = 539/84
  5. 539/84 simplified gives 77/12
  6. So, 98/21 + 7/4 = 77/12
    In mixed form: 65/12

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