Multiplying and Dividing Fractions and Mixed Numbers
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21 Terms
What are the steps for multiplying fractions?
1. Multiply the numerators. 2. Multiply the denominators. 3. Simplify if necessary.
How do you evaluate exponential expressions with fractional bases?
Use the base raised to the power of the exponent, applying the rules of exponents.
If Samantha made $325 and spent 2/3 of her pay on food, how much did she spend?
She spent $216.67 on food.
What are the steps for dividing fractions?
1. Invert the divisor (the second fraction). 2. Multiply the fractions. 3. Simplify if necessary.
What is a proper fraction?
A fraction where the numerator is less than the denominator.
What is an improper fraction?
A fraction where the numerator is greater than or equal to the denominator.
What is a mixed number?
A number that combines a whole number and a proper fraction.
How do you convert an improper fraction to a mixed number?
Divide the numerator by the denominator to find the whole number, and use the remainder as the new numerator.
How do you convert a mixed number to an improper fraction?
Multiply the whole number by the denominator, add the numerator, and place that over the original denominator.
What fraction of the M & Ms are blue if there are 11 blue out of 29 total?
11/29 of the M & Ms are blue.
How many M & Ms are green if there are 29 total and 11 blue and 10 red?
There are 8 green M & Ms.
What fraction of the M & Ms are green?
8/29 of the M & Ms are green.
How do you graph fractions on a number line?
Identify the whole number intervals and mark the fraction according to its value.
What is the simplest form of the fraction 24/28?
The simplest form is 6/7.
What is the result of dividing any number by itself?
The result is 1.
What is the result of dividing any number by 1?
The result is the same number.
What is the result of zero divided by any number (except 0)?
The result is 0.
What happens when you divide a number by zero?
The result is undefined.
What is the fraction bar in a fraction equivalent to?
It is equivalent to a division symbol.
What is the numerator in a fraction?
The numerator is the top number that represents parts of the whole.
What is the denominator in a fraction?
The denominator is the bottom number that represents the total parts.