Fractions - Term 1 Flashcards
What are equivalent fractions?
Equivalent fractions are fractions that look different but are equal to each other
How do you make an equivalent fraction?
To make an equivalent fraction you times the numerator and the denominator by the same number
What is an integer?
A whole number
How do you simplify a fraction?
To simplify a fraction divide both the numerator and denominator by the same number until you reach the smallest integers
What can you NOT do to try and make an equivalent fraction?
Add to the numerator and denominator
What is an improper fraction?
A fraction that has a numerator which is larger or equal to the denominator
What is a mixed number?
An integer with a fraction that is proper
What is the trick for converting mixed numbers into improper fractions?
Denominator x integer + numerator over original denominator
What are the four steps for adding and subtracting fractions?
- Turn mixed numbers into improper fractions
- Create two equivalent fractions with common denominators
- Add/subtract them together
- Concert answer to mixed numbers/simplify
How do you find a fraction of an amount?
Divide the amount by the denominator and times by the numerator
Find 4/7 of 81 (no calculator
4/7 x 81/1 = 324/7
In math what can you replace the word of with?
Times
What is 8 as a fraction?
8/1
What are the three steps to diving fractions?
Skip - skip the first fraction
Flip - swap the numerator and denominator of the second fraction
Multiply- times the two together
How do you multiply fractions?
Convert mixed numbers to proper/improper fractions. Times the numerators together and the denominators together.