• Asignatura: Matemáticas
  • Autor: torrespradalei74
  • hace 6 años

Calcula las siguientes sumas de fracciones ayudemen doy dies puntos y corona por fa​

Adjuntos:

Respuestas

Respuesta dada por: dorisparihuaman512
13

Explicación paso a paso:

1/5 + 4/3 + 1/2 = 6/30 + 40/30 + 15/30 = 61/30

MCM

5 - 3 - 2 I 2. 2 x 3 x 5 = 30

5 - 3 - 1 I 3

5 - 1 - 1 I 5

1. - 1 - 1 I

( 30 / 5 ) x ( 1 ) = 6

( 30 / 3 ) x ( 4) = 40

( 30 / 2 ) x ( 1 ) = 15

------------------------------------------------------------

2/3 + 1/9 + 3/5 = 30/45 + 5/45 + 27/45 = 62/45

MCM

3 - 9 - 5 I 3 3 x 3 x 5 = 45

1 - 3 - 5 I 3

1 - 1 - 5 I 5

1 - 1 - 1

( 45 / 3 ) x ( 2 ) = 30

( 45 / 9 ) x ( 1 ) = 5

( 45 / 5 ) x ( 3 ) = 27

---------------------------------------------------------

4/7 + 2/4 + 1/8 = 32/56 + 28/56 + 7/56 = 67

MCM

7 - 4 - 8 I 2. 2 x 2 x 2 x 7 = 56

7 - 2 - 4 I 2

7 - 1 - 2 I 2

7 - 1. - 1 I 7

1 - 1 - 1

( 56 / 7 ) x ( 4 ) = 32

( 56 / 4 ) x ( 2 ) = 28

( 56 / 8 ) x ( 1 ) = 7

-------------------------------------------------------

3/2 + 1/5 + 1/10 = 15/10 + 2/10 + 1/10 = 18/10

MCM

2 - 5 - 10 I 2 2 x 5 = 10

1 - 5 - 5 I 5

1. - 1. - 1

( 10 / 2 ) x ( 3 ) = 15

( 10 / 5 ) x ( 1 ) = 2

( 10 / 10 ) x ( 1 ) = 1

--------------------------------------------------------

3/8 + 1/4 + 3/16 = 6/16 + 4/16 + 3/16 = 13/16

MCM

8 - 4 - 16 I 2. 2 x 2 x 2 x 2 = 16

4 - 2 - 8 I 2

2 - 1. - 4 I 2

1. - 1. - 2 I 2

1. - 1 - 1

( 16 / 8 ) x ( 3 ) = 6

( 16 / 4 ) x ( 1 ) = 4

( 16 / 16 ) x ( 3 ) = 3

Respuesta dada por: damianpinela26
2

Respuesta:

1/5 + 4/3 + 1/2 = 6/30 + 40/30 + 15/30 = 61/30

MCM

5 - 3 - 2 I 2. 2 x 3 x 5 = 30

5 - 3 - 1 I 3

5 - 1 - 1 I 5

1. - 1 - 1 I

( 30 / 5 ) x ( 1 ) = 6

( 30 / 3 ) x ( 4) = 40

( 30 / 2 ) x ( 1 ) = 15

------------------------------------------------------------

2/3 + 1/9 + 3/5 = 30/45 + 5/45 + 27/45 = 62/45

MCM

3 - 9 - 5 I 3 3 x 3 x 5 = 45

1 - 3 - 5 I 3

1 - 1 - 5 I 5

1 - 1 - 1

( 45 / 3 ) x ( 2 ) = 30

( 45 / 9 ) x ( 1 ) = 5

( 45 / 5 ) x ( 3 ) = 27

---------------------------------------------------------

4/7 + 2/4 + 1/8 = 32/56 + 28/56 + 7/56 = 67

MCM

7 - 4 - 8 I 2. 2 x 2 x 2 x 7 = 56

7 - 2 - 4 I 2

7 - 1 - 2 I 2

7 - 1. - 1 I 7

1 - 1 - 1

( 56 / 7 ) x ( 4 ) = 32

( 56 / 4 ) x ( 2 ) = 28

( 56 / 8 ) x ( 1 ) = 7

-------------------------------------------------------

3/2 + 1/5 + 1/10 = 15/10 + 2/10 + 1/10 = 18/10

MCM

2 - 5 - 10 I 2 2 x 5 = 10

1 - 5 - 5 I 5

1. - 1. - 1

( 10 / 2 ) x ( 3 ) = 15

( 10 / 5 ) x ( 1 ) = 2

( 10 / 10 ) x ( 1 ) = 1

--------------------------------------------------------

3/8 + 1/4 + 3/16 = 6/16 + 4/16 + 3/16 = 13/16

MCM

8 - 4 - 16 I 2. 2 x 2 x 2 x 2 = 16

4 - 2 - 8 I 2

2 - 1. - 4 I 2

1. - 1. - 2 I 2

1. - 1 - 1

( 16 / 8 ) x ( 3 ) = 6

( 16 / 4 ) x ( 1 ) = 4

( 16 / 16 ) x ( 3 ) = 3

Explicación paso a paso:

Preguntas similares