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Add 21/49 and 3/18

21/49 + 3/18 is 25/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 18 is 882

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 49 × 18 = 882,
    21/49 = 21 × 18/49 × 18 = 378/882
  3. Likewise, for the 2nd fraction, since 18 × 49 = 882,
    3/18 = 3 × 49/18 × 49 = 147/882
  4. Add the two like fractions:
    378/882 + 147/882 = 378 + 147/882 = 525/882
  5. 525/882 simplified gives 25/42
  6. So, 21/49 + 3/18 = 25/42

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