5 6/55+3 9/44-4 7/22

[latex]5 \frac{6}{55}+3 \frac{9}{44}= 8 \frac{264+495}{2420}= 8 \frac{759}{2420} [/latex] [latex]8 \frac{759}{2420}-4 \frac{7}{22}=4 \frac{759-770}{2420}=3 \frac{2420+759-770}{2420}= 3 \frac{2409}{2420} [/latex]