Whakaoti i te 13/5:31/3=

$$1 \frac { 3 } { 5 } : 3 \frac { 1 } { 3 } =$$

Aromātai

$$\frac{12}{25}=0.48$$

Ngā Upane Otinga

Whakawehe \frac{1\times 5+3}{5} ki te \frac{3\times 3+1}{3} mā te whakarea \frac{1\times 5+3}{5} ki te tau huripoki o \frac{3\times 3+1}{3}.

$$\frac{\left(1\times 5+3\right)\times 3}{5\left(3\times 3+1\right)}$$

Whakareatia te 1 ki te 5, ka 5.

$$\frac{\left(5+3\right)\times 3}{5\left(3\times 3+1\right)}$$

Tāpirihia te 5 ki te 3, ka 8.

$$\frac{8\times 3}{5\left(3\times 3+1\right)}$$

Whakareatia te 8 ki te 3, ka 24.

$$\frac{24}{5\left(3\times 3+1\right)}$$

Whakareatia te 3 ki te 3, ka 9.

$$\frac{24}{5\left(9+1\right)}$$

Tāpirihia te 9 ki te 1, ka 10.

$$\frac{24}{5\times 10}$$

Whakareatia te 5 ki te 10, ka 50.

$$\frac{24}{50}$$

Whakahekea te hautanga \frac{24}{50} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.

$$\frac{12}{25}$$

Tauwehe

$$\frac{2 ^ {2} \cdot 3}{5 ^ {2}} = 0.48$$