Question

How to write 1/3, 1/5 as an a common denominator as an equivalent fraction

Answer 1

1/3 = 5/15 and 1/5 = 3/15

Explanation:

`(1)/(3)\\\\\text{List multiples of 3:}\ 0,\ 3,\ 6,\ 9,\ 12,\ \boxed{15},\ 18,\ 21,\ ...\\\\(1)/(5)\\\\\text{List multiples of 5:}\ 0,\ 5,\ 10,\ \boxed{15},\ 20,\ 25,\ ...\\\\\text{The common denominator is 15.}\\\\(1)/(3)=(1\cdot5)/(3\cdot5)=(5)/(15)\\\\(1)/(5)=(1\cdot3)/(5\cdot3)=(3)/(15)`