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Add 1/21 and 5/8

1/21 + 5/8 is 113/168.

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,
    1/21 = 1 × 8/21 × 8 = 8/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    5/8 = 5 × 21/8 × 21 = 105/168
  4. Add the two like fractions:
    8/168 + 105/168 = 8 + 105/168 = 113/168
  5. So, 1/21 + 5/8 = 113/168

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