Add 7/81 and 40/16
1st number: 7/81, 2nd number: 2 8/16
7/81 + 40/16 is 419/162.
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,
40/16 = 40 × 81/16 × 81 = 3240/1296 - Add the two like fractions:
112/1296 + 3240/1296 = 112 + 3240/1296 = 3352/1296 - 3352/1296 simplified gives 419/162
- So, 7/81 + 40/16 = 419/162
In mixed form: 295/162
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