Add 16/20 and 14/81
16/20 + 14/81 is 394/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 20 × 81 = 1620,
16/20 = 16 × 81/20 × 81 = 1296/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
14/81 = 14 × 20/81 × 20 = 280/1620 - Add the two like fractions:
1296/1620 + 280/1620 = 1296 + 280/1620 = 1576/1620 - 1576/1620 simplified gives 394/405
- So, 16/20 + 14/81 = 394/405
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