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19 Cards in this Set

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  • Back
What is a mixed number?
A mixed number is the sum of a whole number and a fraction.
What is a improper fraction?
A improper fraction is one in which the numerateor is not less than the denominator.
What is a proper fraction?
A proper fraction is one in which thr numeratopr is not less tha the denominator.
How do you simplify a fraction?
Eliminate all common factors other than 1 in the numerator and the denominator.
What do you call a product of a problem?
A product is a multiplication problem.
What is a reciprocal?
A reciprocal is two fractions that have a product of 1.
Example: 2/3 is the reciprocal of 3/2.
What is a quotient?
A quotient is a answer to a division exercise.
Example: quotient of 33 and 3 is 11.
How do you find the reciprocal of a fraction?
Interchange the numerator and the denominator.
How do you devide fractions?
Multiply the first fraction by the reciprocal of the divisor, that is invert and multiply.
How do you multiply mixed numbers and whole numbers?
1. Change to improper fractions.
2. Simplify and multiply.
How do you divide mixed numbers and whole numbers?
1. Change to improper fractions.
2. Divide.
How do you add fractions?
1. Add the numerators.
2. Write the sum over the common denominator.
How do you add unlike fractions?
1. Build the fractions so they have a common denominator.
2. Add and simplify.
HOw do you add mixed numbers?
1. Add the whole numbers.
2. Add the factions. If the sum of the fractions is more than 1, change the fraction to a mixed number and add again.
3. Simplify.
How do you subtract fractions?
1. Build each fraction to a common denominator.
2. Subtract the numerators and write the difference over the common denominator.
3. Simplify.
How do you subtract mixed numbers.
1. Build the fractions so they have a common denominator.
2. SUbtract the fractions. If the fractions cannot be suntracted, rename the first mixed number by borrowing 1 from the whole number part to add to the fraction part.
3. Subtract the whole numbers.
4. Simplify.
What is the mean or Average in a fraction?
It is a set of numbers that is a sum of the set of numbers divided by the total number of the numbers in the set.
What is the order of operations for fractions?
1. Parentheses: Do the operations within grouping symbols first(parentheses,fraction bar and so on.)
2. Exponents: Do the operations indicated by exponents.
3. Multiply and divide: do only mult and div as they appear from left to right.
4. Add and Subtract: Do addition and subtraction as they appear from left to right.
How do you find the Average of a set of fractions?
1. Add the numbers.
2. Divide the sum by the number of the numbers in the set.