Question 827227
A guess that you did not mean "41/2", but {{{4+1/2}}}, or {{{4&1/2}}}, is what she needs according to her project.  She already has {{{2/3}}} of the fabric.


Letting b = how much to buy,
{{{b+(2/3)=4&1/2}}}
{{{b=4&1/2-2/3}}}
{{{b=9/2-2/3}}}, LCD is 6
{{{b=(9/2)(3/3)-(2/3)(2/2)}}}
{{{b=18/6-4/6}}}
{{{b=14/6}}}
Reduce the number,
{{{b=7/3}}}
Change to mixed number
{{{highlight(b=2&1/3)}}}