Question

Simplifique as frações
20/40=____ 10/35=___
8/16=____ 2/16=___
2//4=____ 5/10=___


Me ajude por favor gente

Answer 1

Resposta:

Jeito normal:

20/40

20/40 ÷2 = 10/20 ÷2 = 5/10 ÷5 = 1/2

10/35

10/35 ÷5 = 2/7

8/16

8/16 ÷2 = 4/8 ÷2 = 2/4 ÷2 = 1/2

2/16

2/16 ÷2 = 1/8

2/4

2/4 ÷2 = 1/2

5/10

5/10 ÷5 = 1/2

MDC

20/40

20 = 2² × 5

40 = 2³ × 5

mdc (20,40) = 2² × 5 = 4 × 5 = 20

20/40 ÷20 = 1/2

10/35

10 = 2 × 5

35 = 5 × 7

mdc (10,35) = 5

10/35 ÷7 = 2/7

8/16

8 = 2³

16 = 2⁴

mdc (8,16) = 2³ = 8

8/16 ÷8 = 1/2

2/16

2 = 2 (número primo)

16 = 2⁴

mdc (2,16) = 2

2/16 ÷2 = 1/8

2/4

2 = 2 (número primo)

4 = 2²

mdc (2,4) = 2

2/4 ÷2 = 1/2

5/10

5 = 5 (número primo)

10 = 2 × 5

mdc (5,10) = 5

5/10 ÷5 = 1/2

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