Add 5/81 and 18/30
5/81 + 18/30 is 268/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 30 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
5/81 = 5 × 10/81 × 10 = 50/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
18/30 = 18 × 27/30 × 27 = 486/810 - Add the two like fractions:
50/810 + 486/810 = 50 + 486/810 = 536/810 - 536/810 simplified gives 268/405
- So, 5/81 + 18/30 = 268/405
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