numerator denominator Two fractions are __________ if they represent the same number. equivalent A fraction is in __________ form when the numerator and denominator have no common factors other than 1. simplest
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numerator
denominator
Two fractions are __________ if they represent the same number.
equivalent
A fraction is in __________ form when the numerator and denominator have no common factors other than 1.
simplest
To __________ a fraction, we remove common factors of the numerator and denominator.
simplify
reciprocal
mixed
complex
To multiply or divide mixed numbers, turn the mixed numbers to _________ fractions, then follow the rules for multiplication or division.
improper
• Summary:– Multiply the whole number by the denominator– Add to the numerator – Place over the current denominator
•Example 1: Change to an improper fraction.
•Step 1: Multiply the whole number by the denominator .
•Step 2: Add the numerator to the product.
• Step 3: Write the answer over the denominatorto form the fraction part of the answer.
• Step 1: Change to an improper fraction.
• Step 2: Cross cancel where you can
• Step 3: Multiply across.
3
2
Section 4.5-Page 368 # 1, 2Page 429 # 73-82 (all)
Page 3681. mixed2. whole, fractional
3
4
To _________________ , we replace its ________ with specific numbers and evaluate the right side using the _________________ rule.
evaluate a formula variables
order of operations
write as a ÷ problem Keep, switch, flip Cross-cancel if you can
1
3
1
2
multiply
Find the numerator
Find the denominator
Write as a division problem.
Multiply.
Keep, switch, flip. Cross Cancel
3
7
Simplify.
Section 4.7-Page 393 # 1, 2, 3, 4, 96, 99, 100Page 434 # 105-118 (all)