4-3 Comparing Rational Numbers

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4-3 Comparing & Ordering Rational Numbers Rational Number—any number that can be written in the form of a fraction: a & b MUST be INTEGERS—positive or negative WHOLE numbers! a & b CANNOT be decimals or fractions! Never write a rational number in this form: a b 1 4 3 2.6

Transcript of 4-3 Comparing Rational Numbers

Page 1: 4-3 Comparing Rational Numbers

4-3Comparing & Ordering Rational Numbers

Rational Number—any number that can be written in the form of a fraction:

a & b MUST be INTEGERS—positive or negative WHOLE numbers!

a & b CANNOT be decimals or fractions!

Never write a rational number in this form:

a

b

1432.6

Page 2: 4-3 Comparing Rational Numbers

Ex. 1. Compare each of the following rational numbers:

a. 5

8

2

3

24 24

15 16

<Here is a shortcut for comparing any two fractions!

5

8

2

3

15 16<

LOOK FAMILIAR????

We calculated the numerators without worrying about a common denominator!

COMARE THE NUMERATORS!!

4-3Comparing & Ordering Rational Numbers