Fractions Flashcards
How can two fractions be equivalent?
If they represent the same number. For example 8/36 and 14/63, which both represent 2/9
What are the numerator and denominator of a fraction?
The numerator is the number expressed above the division sign in a fraction. The denominator is the number expressed below the division sign.
What are the steps in adding or subtracting fractions with unlike denominators?
- Multiply the numerator and denominator of the first fraction by the denominator of the second fraction.
- Multiply the numerator and denominator of the second fraction by the denominator of the first fraction.
- Add or subtract.
- Find the least common multiple and simplify the result.
How do you multiply fractions?
Multiply the two numerators and the two denominators.
What is the reciprocal of a fraction?
When the numerator and denominator of a fraction are inverted. Ex.: 2/3-3/2
How do you divide fractions?
Find the reciprocal of the fraction and follow the steps of multiplication.
How do you convert a mixed number into an improper fraction?
By multiplying the whole number by the denominator of the fraction and adding this number to the numerator of the fraction.