Complex Fractions & Percentages

Basic Complex Fractions

100

How do you get rid of the denominator in this complex fraction?

(1/2)/(3/5)

By multiplying the denominator by its' reciprocal of 

5/3

 

200

1/3 div 7/4

4/21

300

Solve:

(1/2)/(3/4)

2/3

400

Solve:

(4/7)/(9/6)

8/21

500

Solve:

(14/22)/(7/33)

3

Remember, simplify before you multiply

Complex Fractions

100

Solve:

4/(3/4 - 6/4)

-16/3

Remember to simplify the denominator before trying to solve the complex fraction

200

Solve:

(1/4 + 5/4)/ 4

3/8

Remember to simplify the Numerator before trying to solve the complex fraction

300

Solve:

2/(3/2 - 4/3)

12

Remember to simplify the denominator before trying to solve the complex fraction

400

Solve:

(4/5)/(2/5 - 5/6)

-24/13

Remember to simplify the denominator before trying to solve the complex fraction

500

Solve:

(1/4 -2/3)/(5/6 + 1/2)

-5/16

Remember to simplify the denominator and then simplify the numerator before trying to solve the complex fraction

Decimals to Percents

100

Turn .25 to a percent

25%

Then multiply by 100 to get the percent, or move the decimal 2 places.

200

Turn .125 to a percent

12.5%

Then multiply by 100 to get the percent, or move the decimal 2 places.

300

Turn 3.45 to a percent

345%

Then multiply by 100 to get the percent, or move the decimal 2 places.

400

Turn 132 to a percent

13,200%

Then multiply by 100 to get the percent, or move the decimal 2 places.

500

Turn 23.5357 to a percent

2,353.57%

Then multiply by 100 to get the percent, or move the decimal 2 places.

Fractions to Percents

100

Turn to a Percent:

1/5

20%

Don't forget, you divide fractions to get a decimal. Then multiply by 100 to get the percent.

200

Turn to a Percent:

1/8

12.5%

Don't forget, you divide fractions to get a decimal. Then multiply by 100 to get the percent.

300

Turn to a percent:

2/3

66 2/3%

Don't forget, you divide fractions to get a decimal. Then multiply by 100 to get the percent.

400

Turn to a percent:

4/5

80%

Don't forget, you divide fractions to get a decimal. Then multiply by 100 to get the percent.

500

Turn to a percent:

1/3

33 1/3%

Don't forget, you divide fractions to get a decimal. Then multiply by 100 to get the percent.

Decimals to Fractions

100

Turn .3 to a fraction

Remember it is said as three tenths so 3 over 10

3/10

200

Turn .47 into a fraction

Remember it is read as forty seven hundredths or 47 over 100

47/100

300

Turn .853 into a fraction

Remember it is red as eight hundred and fifty three thousandths so that is 853 over 1000

853/1000

400

Turn .45 into a fraction, simplify

Now, 45 and 100 are both simplifiable by 5 so the real answer is

9/20

500

Turn 6.78 into a fraction, simplify

6 39/50 or 339/50