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Add 4/21 and 3/8

4/21 + 3/8 is 95/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    4/21 = 4 × 8/21 × 8 = 32/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    3/8 = 3 × 21/8 × 21 = 63/168
  4. Add the two like fractions:
    32/168 + 63/168 = 32 + 63/168 = 95/168
  5. So, 4/21 + 3/8 = 95/168

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