Question

Resuelve las siguientes operaciones
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Answer 1

Verified answer

Explicación paso a paso:

a)

5/6 + 3/6 + 2/6

(5+3+2)/6

Respuesta: 10/6 <> 5/3

b)

8/4 + 7/4 + 10/4

(8+7+10)/4

Respuesta: 25/4

c)

5/4 + 6/5 + 2/10

m.c.m(4,5,10)=20

[ (20/4)x5 + (20/5)x6 + (20/10)x2 ] / 20

[ (5)x5 + (4)x6 + (2)x2 ] / 20

[ 25 + 24 + 4 ] / 20

Respuesta: 53 / 20

d)

5/3 + 8/7 + 7/2

m.c.m(3,7,2)=42

[ (42/3)x5 + (42/7)x8 + (42/2)x7 ] / 42

[ (14)x5 + (6)x8 + (21)x7 ] / 42

[ 70 + 48 + 144 ] / 42

Respuesta: 262 / 42 <> 131/21

e)

3 1/4 + 2 3/5 + 5/12

(3x4+1)/4 + (2x5+3)/5 + 5/12

13/4 + 13/5 + 5/12

m.c.m(4,5,12)=60

[ (60/4)x13 + (60/5)x13 + (60/12)x5 ] / 60

[ (15)x13 + (12)x13 + (5)x5 ] / 60

[  195 + 156 + 25 ] / 60

Respuesta: 376 / 60 <> 94/15

f)

7 2/3 + 4 2/5 + 2 1/15

(7x3+2)/3 + (4x5+2)/5 + (2x15+1)/15

23/3 + 22/5 + 31/15

m.c.m(3,5,15)=15

[ (15/3)x23 + (15/5)x22 + (15/15)x31 ] / 15

[ (5)x23 + (3)x22 + (1)x31 ] / 15

[  115 + 66 + 31 ] / 15

Respuesta: 212/15