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Add 2/18 and 15/21

2/18 + 15/21 is 52/63.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    2/18 = 2 × 7/18 × 7 = 14/126
  3. Likewise, for the 2nd fraction, since 21 × 6 = 126,
    15/21 = 15 × 6/21 × 6 = 90/126
  4. Add the two like fractions:
    14/126 + 90/126 = 14 + 90/126 = 104/126
  5. 104/126 simplified gives 52/63
  6. So, 2/18 + 15/21 = 52/63

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