Whakaoti i te (23/4+21/5)16

$$( 2 \frac { 3 } { 4 } + 2 \frac { 1 } { 5 } ) 16$$

Aromātai

$$\frac{396}{5}=79.2$$

Ngā Upane Otinga

Whakareatia te 2 ki te 4, ka 8.

$$\left(\frac{8+3}{4}+\frac{2\times 5+1}{5}\right)\times 16$$

Tāpirihia te 8 ki te 3, ka 11.

$$\left(\frac{11}{4}+\frac{2\times 5+1}{5}\right)\times 16$$

Whakareatia te 2 ki te 5, ka 10.

$$\left(\frac{11}{4}+\frac{10+1}{5}\right)\times 16$$

Tāpirihia te 10 ki te 1, ka 11.

$$\left(\frac{11}{4}+\frac{11}{5}\right)\times 16$$

Ko te maha noa iti rawa atu o 4 me 5 ko 20. Me tahuri \frac{11}{4} me \frac{11}{5} ki te hautau me te tautūnga 20.

$$\left(\frac{55}{20}+\frac{44}{20}\right)\times 16$$

Tā te mea he rite te tauraro o \frac{55}{20} me \frac{44}{20}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$\frac{55+44}{20}\times 16$$

Tāpirihia te 55 ki te 44, ka 99.

$$\frac{99}{20}\times 16$$

Tuhia te \frac{99}{20}\times 16 hei hautanga kotahi.

$$\frac{99\times 16}{20}$$

Whakareatia te 99 ki te 16, ka 1584.

$$\frac{1584}{20}$$

Whakahekea te hautanga \frac{1584}{20} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.

$$\frac{396}{5}$$

Tauwehe

$$\frac{2 ^ {2} \cdot 3 ^ {2} \cdot 11}{5} = 79\frac{1}{5} = 79.2$$