Whakaoti i te 72/9*12/11

$$7 \frac { 2 } { 9 } \cdot 1 \frac { 2 } { 11 }$$

Aromātai

$$\frac{845}{99}\approx 8.535353535$$

Ngā Upane Otinga

Whakareatia te 7 ki te 9, ka 63.

$$\frac{63+2}{9}\times \frac{1\times 11+2}{11}$$

Tāpirihia te 63 ki te 2, ka 65.

$$\frac{65}{9}\times \frac{1\times 11+2}{11}$$

Whakareatia te 1 ki te 11, ka 11.

$$\frac{65}{9}\times \frac{11+2}{11}$$

Tāpirihia te 11 ki te 2, ka 13.

$$\frac{65}{9}\times \frac{13}{11}$$

Me whakarea te \frac{65}{9} ki te \frac{13}{11} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.

$$\frac{65\times 13}{9\times 11}$$

Mahia ngā whakarea i roto i te hautanga \frac{65\times 13}{9\times 11}.

$$\frac{845}{99}$$

Tauwehe

$$\frac{5 \cdot 13 ^ {2}}{3 ^ {2} \cdot 11} = 8\frac{53}{99} = 8.535353535353535$$