5/8m-3/8=1/2m=7/8
check your typing
is it 5/8m and 1/2m , the way you typed it, or is it 5/(8m) and 1/(2m) ?
also , I see two equal signs.
is it 5/8m and 1/2m , the way you typed it, or is it 5/(8m) and 1/(2m) ?
also , I see two equal signs.