Comparing Fractions

Comparing Fractions

Poll

You and a friend bake brownies and are deciding what share to eat.

What share of the brownies would you rather eat?

Poll

Mrs. Lawrence is STARVING and needs to eat some of her casserole.

What share of her casserole should she eat?

Poll

Mrs. Jeremiah is entering a food eating contest. To win, she has to eat the biggest share of food.

What share should Mrs. Jeremiah eat to win?

Symbols

When we compare numbers, we use symbols.
< > =

What do you notice about the fractions we've learned about?

What do you notice about these two fractions?

​3

​2

​3

3

Multiple Choice

What symbol correctly compares the two numbers?

83 45

• <

• =

• >

Multiple Choice

Which symbol correctly compares the two numbers?

45 83

• <

• =

• >

Comparing Fractions

When we compare fractions, we look at the numerator and denominator.

Hotspot

Which is the numerator?

Hotspot

Which is the denominator?

Examples

Fractions with the same numerator can be compared by thinking about the denominator.

Comparing Fractions Using Numerators and Denominators

Let's practice by comparing 3/4 and 3/8.







Which fraction is BIGGER?

Comparing Fractions Using Numerators and Denominators

Let's think about what 3/4 means.

It means something is split into 4 pieces and 3 pieces are being used.


Let's think about what 3/8 means.

It means something is split into 8 pieces and 3 pieces are being used.

Comparing Fractions Using Numerators and Denominators

3/4 3/8

Although both fractions have the same numerator, they pieces are different sizes so they are not the same.

Comparing Fractions Using Numerators and Denominators

3/4 3/8

Comparing Fractions Using Numerators and Denominators