1. Rational Numbers Adding Like Fractions
Lessons 5.1 and 5.2:
Rational Numbers Adding Like Fractions
Rational Number: Any number that can be written as a fraction. Any number EXCEPT a decimal that goes on forever and does not repeat.
Examples of rational numbers:
3, -12, 8.172,
Following is Irrational (NOT Rational)

2. Write the mixed number as an improper fraction1) 2)
Write the fraction as a decimal 1)
= (numerator divided by denominator) 2) 3) = 4)

3. Write as a fraction or mixed number
1) 0.23
2) –2.025

4. Like Fractions have the same denominator
To add or subtract like fractions:
1) Add or subtract the numerators
2) Keep the denominator
3) Write in simplest form.

5. Examples: Simplify 1) 2) Or

10. Homework: p. 222, #28-42 evens
p. 227, #3 - 8

11. Homework : p , #11-35 odds, # 39, 41, 43