1. numerator
denominator
equivalent
Two fractions are __________ if they represent
the same number.
A fraction is in __________ form when the
simplest
numerator and denominator have no common
factors other than 1.
2. simplify
To __________ a fraction, we remove common
factors of the numerator and denominator.
reciprocal
mixed
4. To multiply or divide mixed numbers, turn
improper
the mixed numbers to _________ fractions,
then follow the rules for multiplication or
division.
5. • 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 denominator
to form the fraction part of the answer.
6. • Step 1: Change to an improper
fraction.
• Step 2: Cross cancel where you can
• Step 3: Multiply
across.
2
3
11. evaluate a formula variables
To _________________ , we replace its ________
with specific numbers and evaluate the right side
using the _________________ rule.
order of operations
12.
13. write as a ÷ problem Keep, switch, flip Cross-cancel if you can
1 1
2 3
multiply
