Add 15/81 and 90/16
1st number: 15/81, 2nd number: 5 10/16
15/81 + 90/16 is 1255/216.
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,
15/81 = 15 × 16/81 × 16 = 240/1296 - Likewise, for the 2nd fraction, since 16 × 81 = 1296,
90/16 = 90 × 81/16 × 81 = 7290/1296 - Add the two like fractions:
240/1296 + 7290/1296 = 240 + 7290/1296 = 7530/1296 - 7530/1296 simplified gives 1255/216
- So, 15/81 + 90/16 = 1255/216
In mixed form: 5175/216
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