Add 12/16 and 54/81
12/16 + 54/81 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 16 × 81 = 1296,
12/16 = 12 × 81/16 × 81 = 972/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
54/81 = 54 × 16/81 × 16 = 864/1296 - Add the two like fractions:
972/1296 + 864/1296 = 972 + 864/1296 = 1836/1296 - 1836/1296 simplified gives 17/12
- So, 12/16 + 54/81 = 17/12
In mixed form: 15/12
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