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Add 5/21 and 35/8

1st number: 5/21, 2nd number: 4 3/8

5/21 + 35/8 is 775/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168
  2. For the 1st fraction, since 21 × 8 = 168,
    5/21 = 5 × 8/21 × 8 = 40/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    35/8 = 35 × 21/8 × 21 = 735/168
  4. Add the two fractions:
    40/168 + 735/168 = 40 + 735/168 = 775/168
  5. In mixed form: 4103/168

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