Mathematics brain fart. Please help!

[Serena1977]

Can you help me and my daughter and answer this statement please:

In equivalent fractions, denominators are multiples of the same number.

Always, sometimes or never.

They have to have a common multiple if that's what you mean.

Always — because multiplying/dividing is how you get equivalent fractions isn't it?

Presuming I'm understanding this correctly.

1/4, 2/8, 15/60, 25/100 etc. All the denominators are multiples of 4.

I don't know, I presume so!. but i just copied and pasted from the homework sheet

DS says always and he's clever!!

I say always and I’m clever 😉

Always

Always. (Y5/6 maths teacher here!)

1/3 and 3/15 are equivalent fractions

15 is obviously a multiple of 3

4/8 and 3/6 are also equivalent fractions

But 8 and 6 aren't multiples of each other.

Sorry - I mean 1/3 and 5/15

But 8 and 6 aren't multiples of each other.

but they are multiples of the same number- 2.

That's true.