Question

Find the product, -7/9 × 3/5, -2/5 × -1 1/4, 1 3/4 × -1 1/4, 1 3/4 × -3/4, -7/8 × -1 3/7, answer all please and thank you

Answer 1

First one

`(-7)/(9) * (3)/(5)`

We cancel out common factors before multiplying out.

`=(-7)/(3) * (1)/(5)`

`=(-7* 1)/(3* 5)`

`=(-7)/(15)`

Second Question

`=(-2)/(5) * -1(1)/(4)`

We need to change the mixed numbers to improper fraction first.

`=(-2)/(5) * (-5)/(4)`

We now cancel out common factors.

`=(-1)/(1) * (-1)/(2)`

We multiply out now to obtain,

`=(-1* -1)/(1 * 2)`

`=(1)/(2)`

Third Question

`=1(3)/(4) * -1(1)/(4)`

We need to change the mixed numbers to improper fraction first.

`=(7)/(4) * (-5)/(4)`

`=(7 * -5)/(4* 4)`

`=(-35)/(16)`

`=-2(3)/(16)`

Fourth Question

`=1(3)/(4) * (-3)/(4)`

`=(7)/(4) * (-3)/(4)`

`=(7* -3)/(4* 4)`

`=(-21)/(16)`

`=-1(5)/(16)`

Fifth Question

`=-(7)/(8) * -1(3)/(7)`

`=-(7)/(8) * (-10)/(7)`

`=-(1)/(8) * (-10)/(1)`

`=(10)/(8)`

`=(5)/(4)`

`=1(1)/(4)`