1- 4/3=4/4-4/3= 1/3
3-1 11/5 =15/5-16/5=-1/5
3 5/3+4 5/4 =14/3+21/4=(14*3+21*4)/12=
=126/12=10,5=10 1/2
1- 4/3=4/4-4/3= 1/3
3-1 11/5 =15/5-16/5=-1/5
3 5/3+4 5/4 =14/3+21/4=(14*3+21*4)/12=
=126/12=10,5=10 1/2