1.

How many rational numbers can be written between 1 & 2?SOLVE STEP BY STEPa) Simplify: 5/3+11/2+(-9/4)+(-8/3)+(7/2)b) A number is (mixed fraction) two1/2 times larger than another number. The sum of the numbers is 28, find the numbers

Answer»

Step-by-step explanation:

To add two FRACTIONS they must be over a common denominator, which for this problem is

10

.

To PUT each FRACTION over a common denominator we must multiply each fraction by the appropriate form of

1

:

2

5

+

1

2

⇒

(

2

2

×

2

5

)

+

(

5

5

×

1

2

)

⇒

4

10

+

5

10

We can now add the numerators of the two fractions over the common denominator:

4

10

+

5

10

⇒

4

+

5

10

⇒

9

10


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