Whakaoti i te 45+12%text{of}45

$$45 + 12 \% \text { of } 45$$

Aromātai

$$\frac{252}{5}=50.4$$

Ngā Upane Otinga

Whakahekea te hautanga \frac{12}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.

$$45+\frac{3}{25}\times 45$$

Tuhia te \frac{3}{25}\times 45 hei hautanga kotahi.

$$45+\frac{3\times 45}{25}$$

Whakareatia te 3 ki te 45, ka 135.

$$45+\frac{135}{25}$$

Whakahekea te hautanga \frac{135}{25} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.

$$45+\frac{27}{5}$$

Me tahuri te 45 ki te hautau \frac{225}{5}.

$$\frac{225}{5}+\frac{27}{5}$$

Tā te mea he rite te tauraro o \frac{225}{5} me \frac{27}{5}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$\frac{225+27}{5}$$

Tāpirihia te 225 ki te 27, ka 252.

$$\frac{252}{5}$$

Tauwehe

$$\frac{2 ^ {2} \cdot 3 ^ {2} \cdot 7}{5} = 50\frac{2}{5} = 50.4$$