Question

guys plz tell this tell in process plzz​

Answer 1

Answer:

Step-by-step explanation:

1.add the following rational numbers

1)2/11,5/9

LCM of 11 and 9 is 99

18+55/99

73/99

2)-5/9,2/3

LCM of 3 and 9

3,9 (divide with 3)

1,3  (divide with 3)

1,1

LCM=3*3=9

-5+6/9=1/9

3)-7/27,5/18

LCM of 27,18

27,18  (divide with 3)

9,6     (divide with 3)

3,2     (divide with 3)

1,2       (divide with 2)

1,1

LCM=3*3*3*2

     =54

-7*2+5*4 /54

-14+20/54

6/54

1/9

4)1/-8,5/-24

LCM of -8,-24

-8,-24 (divide with -2)

4,12     (divide with 3)

4,4      (divide with 4)

1,1

LCM=-2*3*4=-24

3+5/-24

8/-24

1/-3

5)-27/-4,-11/8

27/4,-11/8

LCM of 4,8

4,8    (divide with 4)

1,2

LCM=4*1*2=8

27*2-11/8

54-11/8

43/8

6)5/48,63/-12

LCM of 48,12  

48,-12  (divide with 3)

16,-4    (divide with 4)

4,-1     (divide with 4)

1,-1      (divide with -1)

1,1

LCM=3*4*4*-1=-48

-5-63*4/12

-257/12

7)-7/19,-4/57

LCM of 19,57

19,57  (divide with 19)

1,3      (divide with 3)

1,1

LCM=19*3=57

-7*3-4/57

-25/57

8)-11/-4,0

  11/4,0

  11/4+0

  11/4

9)-4*1/4+(-3*1/3)

-17/4+(-10/3)

-17/4-10/3

LCM of 4,3

         =4*3=12

-17*3-10*4/12

 -91/12

10)7/-26,-17/-39

   7/-26,17/39

LCM of -26,39

-26,39   (divide with 13)

-2,3        (divide with 3)

-2,1       (divide with -2)

1,1

LCM=13*3*-2=-78

7*3-17*2/-78

21-34/-78

-13/-78

 1/6

11)2*1/3,-3*3/4

  7/3,-15/4

LCM of 4,3

         =4*3=12

7*4-15*3/12

28-45/12

-17/12

2)subtract

1)17/36 from 7/24

17/36-7/24

LCM of 36,24

36,24  (divide with 3)

12,8      (divide with 4)

3,2       (divide with 3)

1,2      (divide with 2)

1,1

LCM =3*4*3*2

          72

17*2-7*3/72

34-21/72

13/72

2)-3/8 from -7/18

-3/8-(-7/18)

-3/8+7/18

LCM  of 8,18

8,18  (divide with 2)

4,9   (divide with 3)

4,3   (divide with 3)

4,1    (divide with 4)

1,1

LCM=2*9*4=72

-3*9+7*4/72

-27+28/72

1/72

3)-5/21 from -11/-84

   -5/21,11/84

  -5/21-11/84

LCM of 21.84

21,84    (divide with 3)

7,28      (divide with 7)

1,4         (divide with 4)

1,1

LCM=3*7*4

       84

-5*4-11/84

-31/84

4)-3/7 from 18/35

   -3/7-18/35

LCM of  7,35

7,35    (divide with 7)

1,5        (divide with 5)

1,1

LCM=7*5=35

-3*5-18/35

-33/35

5)-4/7 from 2/-3

-4/7-(-2/3)

-4/7+2/3

LCM=7*3=21

-4*3+2*2/21

-28+4/21

24/21

8/7

6)18/-5 from 5/-18

18/-5-(5/-18)

18/-5+5/18

LCM of 18,5=18*-5=-90

18*18-25/-90

324-25/90

299/90

7)2*2/3 from1*4/5

 8/3,9/5

8/3-9/5

LCM of 3,5=3*5=15

8*5-9*3/15

40-27/15

13/15

3)find the product of

1)9/2×-11/3

3/2*(-11/1)

-33/2

2)4*1/5×-30/-7

(21/5)×(30/7)

3×6

18

3)(-13/-17)×(-2/3)

   13/17×-2/3

   -26/51

4)-7/9×63/-100

  -7/1×7/-100

-49/-100

49/100

5)-11/9×27/-88

1×9/8

9/8

4)simplify

1)-56×-7/8

-7×-7

49

2)-13/5×(-10)

  -13×-2

 26

3)-7/16×(-128/9)

-7×-8/9

56/9

4)0/-3×4/5

0×4/5

0

5)14/9×117/112

13/8

6)-3/8×-8/-3

   -1/1×1

    -1