Whakaoti i te 12div(1/3+1/4)

$$12 \div ( \frac { 1 } { 3 } + \frac { 1 } { 4 } )$$

Aromātai

$$\frac{144}{7}\approx 20.571428571$$

Ngā Upane Otinga

Ko te maha noa iti rawa atu o 3 me 4 ko 12. Me tahuri \frac{1}{3} me \frac{1}{4} ki te hautau me te tautūnga 12.

$$\frac{12}{\frac{4}{12}+\frac{3}{12}}$$

Tā te mea he rite te tauraro o \frac{4}{12} me \frac{3}{12}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$\frac{12}{\frac{4+3}{12}}$$

Tāpirihia te 4 ki te 3, ka 7.

$$\frac{12}{\frac{7}{12}}$$

Whakawehe 12 ki te \frac{7}{12} mā te whakarea 12 ki te tau huripoki o \frac{7}{12}.

$$12\times \frac{12}{7}$$

Tuhia te 12\times \frac{12}{7} hei hautanga kotahi.

$$\frac{12\times 12}{7}$$

Whakareatia te 12 ki te 12, ka 144.

$$\frac{144}{7}$$

Tauwehe

$$\frac{2 ^ {4} \cdot 3 ^ {2}}{7} = 20\frac{4}{7} = 20.571428571428573$$