Add 28/16 and 90/81
1st number: 1 12/16, 2nd number: 1 9/81
28/16 + 90/81 is 103/36.
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,
28/16 = 28 × 81/16 × 81 = 2268/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
90/81 = 90 × 16/81 × 16 = 1440/1296 - Add the two like fractions:
2268/1296 + 1440/1296 = 2268 + 1440/1296 = 3708/1296 - 3708/1296 simplified gives 103/36
- So, 28/16 + 90/81 = 103/36
In mixed form: 231/36
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