$\text { Đáp án: }$
$\text {71}$ $\frac {38}{45}$ $–($ `43`$\frac {8}{45}$ $–1$ $\frac {17}{57}$ $)$
$\text {=71}$ $\frac {38}{45}$ $–$ $\text {43}$ $\frac {8}{45}$ $+1$ $\frac {17}{57}$
$\text {= (71 – 43 + 1) + (}$ $\frac {38}{45}$ $+$ $\frac {8}{45}$ $+$ $\frac {17}{57}$ $)$
$\text {= 29}$ $\frac {1129}{855}$