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Add 18/21 and 2/18

18/21 + 2/18 is 61/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 21 × 6 = 126,
    18/21 = 18 × 6/21 × 6 = 108/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    2/18 = 2 × 7/18 × 7 = 14/126
  4. Add the two like fractions:
    108/126 + 14/126 = 108 + 14/126 = 122/126
  5. 122/126 simplified gives 61/63
  6. So, 18/21 + 2/18 = 61/63

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