Add 7/81 and 4/16
7/81 + 4/16 is 109/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 16 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 81 × 16 = 1296,
7/81 = 7 × 16/81 × 16 = 112/1296 - Likewise, for the 2nd fraction, since 16 × 81 = 1296,
4/16 = 4 × 81/16 × 81 = 324/1296 - Add the two like fractions:
112/1296 + 324/1296 = 112 + 324/1296 = 436/1296 - 436/1296 simplified gives 109/324
- So, 7/81 + 4/16 = 109/324
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