Add 3/81 and 12/16
3/81 + 12/16 is 85/108.
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,
3/81 = 3 × 16/81 × 16 = 48/1296 - Likewise, for the 2nd fraction, since 16 × 81 = 1296,
12/16 = 12 × 81/16 × 81 = 972/1296 - Add the two like fractions:
48/1296 + 972/1296 = 48 + 972/1296 = 1020/1296 - 1020/1296 simplified gives 85/108
- So, 3/81 + 12/16 = 85/108
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