You divide 18 by 3=6 6x2=12
18 x 1/3 = 6
1/3 of eighteen would be 6. Just divide eighteen by three.
multiply
54.
A third.
If you mean eighteen, it is eighteen.
one-third
Five thirds of eighteen is thirty. There are two ways to find this. One is to multiply 5 (the numerator) by 18, which gives you 90. Then, divide 90 by 3 (the denominator). This gives you 30. The other way is to divide eighteen by 3 to find one third of 18. To find 5 thirds of 18, simply multiply one third of 18 by 5.
The word eighteen has two syllables.
The element in period two group eighteen is neon.
16
Two thirds of a cubic yard.