Whakaoti i te 8+21/4div11/2=

$$8 + 2 \frac { 1 } { 4 } \div 1 \frac { 1 } { 2 } =$$

Aromātai

$$\frac{19}{2}=9.5$$

Ngā Upane Otinga

Whakawehe \frac{2\times 4+1}{4} ki te \frac{1\times 2+1}{2} mā te whakarea \frac{2\times 4+1}{4} ki te tau huripoki o \frac{1\times 2+1}{2}.

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

Me whakakore tahi te 2 i te taurunga me te tauraro.

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

Whakareatia te 2 ki te 4, ka 8.

$$8+\frac{1+8}{2\left(1+2\right)}$$

Tāpirihia te 1 ki te 8, ka 9.

$$8+\frac{9}{2\left(1+2\right)}$$

Tāpirihia te 1 ki te 2, ka 3.

$$8+\frac{9}{2\times 3}$$

Whakareatia te 2 ki te 3, ka 6.

$$8+\frac{9}{6}$$

Whakahekea te hautanga \frac{9}{6} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 3.

$$8+\frac{3}{2}$$

Me tahuri te 8 ki te hautau \frac{16}{2}.

$$\frac{16}{2}+\frac{3}{2}$$

Tā te mea he rite te tauraro o \frac{16}{2} me \frac{3}{2}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$\frac{16+3}{2}$$

Tāpirihia te 16 ki te 3, ka 19.

$$\frac{19}{2}$$

Tauwehe

$$\frac{19}{2} = 9\frac{1}{2} = 9.5$$