Fractions and Decimals

Question 1

What to do in Adding or Subtracting Fractions

Answer 1

Get the common denominator needed

Divide the CD to the denominator of the given then times the numerator.

Question 2

What to do when Multiplying Fractions?

Answer 2

Multiply across then simplify.

Can Cross out same denominator and Numerator of different sides

Question 3

What to do when Dividing Fractions?

Answer 3

Flip the second or bottom fraction then multiply.

Question 4

What to do when Squaring or Cubing Fractions?

Answer 4

Same as Multiplying by itself for n times of the exponent.

Question 5

How to make Mixed Fractions into improper?

Answer 5

Multiply the whole number to the denominator then add it to the numerator

Question 6

How to convert Fractions to Decimals?

Answer 6

If it’s mixed number, change it into an improper fraction.
Divide the numerator by the denominator
Then Round Off/

Question 7

How to convert Decimals into Fractions?

Answer 7

Write the decimal divided by 1
Multiply both the top and the bottom of the new fraction by the th place on the left of the decimal point.
Then simplify.