Whakaoti i te 13/1*9/39-15/9

$$\frac{ 13 }{ 1 } \times \frac{ 9 }{ 39 } - \frac{ 15 }{ 9 }$$

Aromātai

$$\frac{4}{3}\approx 1.333333333$$

Ngā Upane Otinga

Ka whakawehea he tau ki te tahi, hua ai ko ia anō.

$$13\times \frac{9}{39}-\frac{15}{9}$$

Whakahekea te hautanga \frac{9}{39} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 3.

$$13\times \frac{3}{13}-\frac{15}{9}$$

Me whakakore te 13 me te 13.

$$3-\frac{15}{9}$$

Whakahekea te hautanga \frac{15}{9} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 3.

$$3-\frac{5}{3}$$

Me tahuri te 3 ki te hautau \frac{9}{3}.

$$\frac{9}{3}-\frac{5}{3}$$

Tā te mea he rite te tauraro o \frac{9}{3} me \frac{5}{3}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{9-5}{3}$$

Tangohia te 5 i te 9, ka 4.

$$\frac{4}{3}$$

Tauwehe

$$\frac{2 ^ {2}}{3} = 1\frac{1}{3} = 1.3333333333333333$$