[tex]4 \frac{2}{7} - 5 \frac{5}{11} = [/tex]
[tex] \frac{30}{7 } - \frac{60}{11} = [/tex]
[tex] - \frac{90}{77} [/tex]
[tex] - 1 \frac{13}{77} [/tex]
that all.... hope it helps...
