Add 14/81 and 5/20
14/81 + 5/20 is 137/324.
Steps for adding fractions
- 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 - For the 1st fraction, since 81 × 20 = 1620,
14/81 = 14 × 20/81 × 20 = 280/1620 - Likewise, for the 2nd fraction, since 20 × 81 = 1620,
5/20 = 5 × 81/20 × 81 = 405/1620 - Add the two like fractions:
280/1620 + 405/1620 = 280 + 405/1620 = 685/1620 - 685/1620 simplified gives 137/324
- So, 14/81 + 5/20 = 137/324
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