Whakaoti i te 1400*31/4/100

$$1400 \times \frac { 3 \frac { 1 } { 4 } } { 100 }$$

Aromātai

$$\frac{91}{2}=45.5$$

Ngā Upane Otinga

Tuhia te \frac{\frac{3\times 4+1}{4}}{100} hei hautanga kotahi.

$$1400\times \frac{3\times 4+1}{4\times 100}$$

Whakareatia te 3 ki te 4, ka 12.

$$1400\times \frac{12+1}{4\times 100}$$

Tāpirihia te 12 ki te 1, ka 13.

$$1400\times \frac{13}{4\times 100}$$

Whakareatia te 4 ki te 100, ka 400.

$$1400\times \frac{13}{400}$$

Tuhia te 1400\times \frac{13}{400} hei hautanga kotahi.

$$\frac{1400\times 13}{400}$$

Whakareatia te 1400 ki te 13, ka 18200.

$$\frac{18200}{400}$$

Whakahekea te hautanga \frac{18200}{400} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 200.

$$\frac{91}{2}$$

Tauwehe

$$\frac{7 \cdot 13}{2} = 45\frac{1}{2} = 45.5$$