Answer :

2/4 reduces to 1/2

 3/6 reduces to 1/2

 so he used 1/2 of 1/2 yard

1/2 * 1/2 = 1/4

he used 1/4 yard

Noah11012
We have 2/4 yard of string and we are using 3/6 of it. Sometimes in mathematics, the word 'of' means 'multiply'.

[tex]\frac{2}{4} * \frac{3}{6} = \frac{6}{24}[/tex]

Simplify.

[tex]\frac{6}{24} = \frac{1}{4}[/tex]

So, 1/4 is the answer.

Other Questions