Question

Caucule as expressões simpleficandoas frações qua do possivel(5/4 -1/2).(1/3+2/5)

Answer 1

Vamos là.

(5/4 - 1/2) = 5/4 - 2/4 = 3/4

(1/3 + 2/5) = 5/15 + 6/15 = 11/15

(3/4)*(11/15) = 33/60 = 11/20

Answer 2

Resposta:

11/20

Explicação passo-a-passo:

(5/4 -1/2).(1/3 + 2/5)

(5/4 - 1/2)×(1/3 + 2/5)

5/4 - 1/2

5-2/1

3/4

(5/4 - 1/2)×(1/3 + 2/5)

3/4 ×(1/3 + 2/5)

(5/4 - 1/2)×(1/3 + 2/5)

1/3 + 2/5

5+6/15

11/15

(5/4 - 1/2)×(1/3 + 2/5)

3/4 × 11/15

3/4 × 11/15 aqui risque os dois numeros 3 e 15.

1/4 × 11/5

1×11/4×5

11/4×5

1×11/4×5

11/20

1/4 × 11/5

11/20

resposta

11/20