To Convert a Fraction into a Percentage



To convert a fraction into a percentage; we need to multiply the fraction by 100.


Let us consider how to change a fraction to a percent

(i) 42/100

= 42%



(ii) 73/100

= 73%



(iii) 6/100

= 6%


(iv) 15/100

= 15%



(v) 39/100

= 39%



(vi) 11/100

= 11%



For example:

(i) Express 3/4 as a percent.



Solution:

¾ × 100

= (3 × 100)/4

= 300/4

= 300/4 ÷ 4/4

[Divide the numerator and denominator by 4]

= 75%.

Answer: 75%



(ii) Express 12/5 as a percent.



Solution:

12/5 × 100

= (12 × 100)/5

= 1200/5

= 1200/5 ÷ 5/5

[Divide the numerator and denominator by 5]

= 240%.

Answer: 240%



(iii) Express 13/6 as a percent.

Solution:

13/6 × 100

= (13 × 100)/6

= 1300/6

= 1300/6 ÷ 2/2

[Divide the numerator and denominator by 2]

= 650/3

= 216 2/3%

Answer: 216 2/3%



(iv) Express 19/4 as a percent.

Solution:

19/4 × 100

= (19 × 100)/4 = 1900/4

= 1900/4 ÷ 4/4

[Divide the numerator and denominator by 4]

= 475%.

Answer: 475%



(v) Express 27/2 as a percent.

Solution:

27/2 × 100

= (27 × 100)/2

= 2700/2

= 2700/2 ÷ 2/2

[Divide the numerator and denominator by 2]

= 1350%.

Answer: 1350%



● Percentage

To Convert a Percentage into a Fraction

To Convert a Fraction into a Percentage

To find the percent of a given number

To find what Per cent is one Number of another Number

To Calculate a Number when its Percentage is Known








5th Grade Numbers Page

5th Grade Math Problems

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