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Add 49/81 and 18/20

49/81 + 18/20 is 1219/810.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 20 is 1620

    Next, find the equivalent fraction of both fractional numbers with denominator 1620
  2. For the 1st fraction, since 81 × 20 = 1620,
    49/81 = 49 × 20/81 × 20 = 980/1620
  3. Likewise, for the 2nd fraction, since 20 × 81 = 1620,
    18/20 = 18 × 81/20 × 81 = 1458/1620
  4. Add the two like fractions:
    980/1620 + 1458/1620 = 980 + 1458/1620 = 2438/1620
  5. 2438/1620 simplified gives 1219/810
  6. So, 49/81 + 18/20 = 1219/810
    In mixed form: 1409/810

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