Rapunzel cut 2/3 of of her hair. she donated 7/8 of what she cut off to a wig shop. what fraction of her hair did rapunzel donate?

Every time you have to compute a certain fraction of some total, you simply need to multiply that total by the required fraction.

So, we start of 2/3 of Rapunzel hair (which you can think of as 1 * 2/3, since all of her hair is the initial total, i.e. 1).

These two-thirds are are new total, and we want to consider the 7/8 of this quantity.

As before, we only need to multiply the values: