Video Transcript
Jackson has half of a chocolate bar
and he eats one-sixth of it. How much of the chocolate bar is
left over?
If Jackson has a half of a
chocolate bar and he eats a sixth of it, to find out how much of the chocolate bar
is left over, we need to subtract one-sixth from a half. Before we can subtract, both of the
denominators need to be the same. Six is a multiple of two, so we
could make both of the denominators a six. How many sixths are equal to
one-half? How do we get from two to six? Two times three is six. We multiplied the denominator by
three. Now we need to multiply the
numerator by three, and we know that one times three is three. Now that we know a half is equal to
three-sixths, we can subtract. Three-sixths subtract one-sixth
equals two-sixths.
If we have three-sixths and we take
one away, we’ll have two-sixths left. But we need to give our answer in
its simplest form. Two-sixths is equal to
one-third. If we divide two by two, we get
one. And if we divide six by two, we get
three. A half subtract one-sixth equals
two-sixths or one-third.
