Add 18/30 and 35/81
18/30 + 35/81 is 418/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
18/30 = 18 × 27/30 × 27 = 486/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
35/81 = 35 × 10/81 × 10 = 350/810 - Add the two like fractions:
486/810 + 350/810 = 486 + 350/810 = 836/810 - 836/810 simplified gives 418/405
- So, 18/30 + 35/81 = 418/405
In mixed form: 113/405
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