Fractions Flashcards
What is a fraction?
A fraction is a mathematical expression representing the division of one quantity by another, typically written as a/b, where ‘a’ is the numerator and ‘b’ is the denominator.
True or False: The denominator of a fraction can be zero.
False
How do you add two fractions with the same denominator?
You add the numerators and keep the same denominator.
What is the first step in adding fractions with different denominators?
Find a common denominator.
Fill in the blank: To subtract fractions, you need a ________ denominator.
common
What is the formula for multiplying two fractions?
Multiply the numerators together and multiply the denominators together.
How do you divide fractions?
Multiply by the reciprocal of the divisor.
What is a mixed number?
A mixed number is a whole number combined with a proper fraction.
Convert the mixed number 2 1/3 to an improper fraction.
7/3
True or False: When multiplying fractions, the result is always larger than both fractions.
False
What is the result of 1/2 + 1/4?
3/4
What must you do before adding or subtracting mixed numbers?
Convert them to improper fractions.
Fill in the blank: The reciprocal of 3/5 is ________.
5/3
What is the result of 3/4 * 1/2?
3/8
How do you simplify the fraction 8/12?
Divide both the numerator and the denominator by 4 to get 2/3.
What is the least common denominator (LCD) of 1/3 and 1/4?
12
True or False: You can add fractions with different denominators directly.
False
What is the result of 5/6 - 1/3?
1/2
How do you convert an improper fraction to a mixed number?
Divide the numerator by the denominator; the quotient is the whole number, and the remainder is the numerator of the fraction part.
What is the product of 2/5 and 3/4?
6/20 or 3/10 when simplified.
Fill in the blank: To add mixed numbers, first convert them to ________ fractions.
improper
What is the result of dividing 3/4 by 1/2?
3/2 or 1 1/2
True or False: The sum of two fractions can be greater than 1.
True
What is the sum of 1/6 and 1/3?
1/2
What do you call a fraction where the numerator is larger than the denominator?
An improper fraction.
If a fraction is 3/9, what is its simplest form?
1/3
