Add 90/81 and 12/16
1st number: 1 9/81, 2nd number: 12/16
90/81 + 12/16 is 67/36.
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,
90/81 = 90 × 16/81 × 16 = 1440/1296 - Likewise, for the 2nd fraction, since 16 × 81 = 1296,
12/16 = 12 × 81/16 × 81 = 972/1296 - Add the two like fractions:
1440/1296 + 972/1296 = 1440 + 972/1296 = 2412/1296 - 2412/1296 simplified gives 67/36
- So, 90/81 + 12/16 = 67/36
In mixed form: 131/36
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