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Add 2/21 and 7/28

2/21 + 7/28 is 29/84.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    2/21 = 2 × 4/21 × 4 = 8/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    7/28 = 7 × 3/28 × 3 = 21/84
  4. Add the two like fractions:
    8/84 + 21/84 = 8 + 21/84 = 29/84
  5. So, 2/21 + 7/28 = 29/84

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