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Add 1/28 and 5/21

1/28 + 5/21 is 23/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 28 × 3 = 84,
    1/28 = 1 × 3/28 × 3 = 3/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    5/21 = 5 × 4/21 × 4 = 20/84
  4. Add the two like fractions:
    3/84 + 20/84 = 3 + 20/84 = 23/84
  5. So, 1/28 + 5/21 = 23/84

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