2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5 Flashcards
What is an LCD?
The smallest number that can be a common denominator for a set of fractions.
How to find LCD?
List the multiples of the denominator and find the smallest number that is the same.
What are equivalent fractions?
Fractions that have the same value though they appear different.
a x d = b x c
The distributive property of division over addition:
The distributive property of division over subtraction:
The distributive property of division over addition(subtraction) doesn’t work with same ________ but different ________.
numerators
denominators
If fractions don’t have the same _______, they need the same ________ before you can add or subtract them.
denominator
denominator
Methods for adding and subtracting fractions with unlike denominators:
- Find the LCD of the fractions
or
- Multiply the denominators to get a common denominator.
How to add a whole fraction and a number?
a + b/c = a b/c
What is an integer?
a whole number; a number that is not a fraction.