1/5 of 15 = 3
It is: 1/5 of 15 = 3
To add one fifteenth (1/15) and one fifth (1/5), first convert one fifth to have a common denominator of 15. One fifth is equivalent to three fifteenths (3/15). Therefore, 1/15 + 3/15 equals 4/15.
The fifth triangular number is 15
The fifth triangle number, known as T5 is 15.
Starting with 1, it is 15.
4/5 of 15 is 12.
15
3
6
15 and one half divided by 2 and one fifth = 7.5
sigh, 18...
The answer is 3.