math Flashcards
What is the first step to add or subtract fractions?
Find the lowest common multiple (LCM) of the denominators.
How do you add or subtract fractions with the same denominator?
Simply add or subtract the numerators; the denominator stays the same.
True or False: When adding fractions with the same denominator, you should add the denominators.
False
What is the process for converting a mixed number to an improper fraction?
Multiply the whole number by the denominator and add the numerator.
What does LCM stand for?
Lowest Common Multiple.
Fill in the blank: An integer can be written as a fraction with ______ as the denominator.
1
What is the first step for adding fractions with different denominators?
Use the LCM of the denominators to find equivalent fractions.
How do you multiply fractions?
Cancel where possible, then multiply the numerators and multiply the denominators.
How do you convert mixed numbers to improper fractions?
Multiply the whole number by the denominator and add the numerator.
When multiplying mixed numbers, what should you do first?
Convert to improper fractions.
What is the LCM of 5 and 2?
10
What is the LCM of 7 and 3?
21
What should you do if the denominators are different when adding fractions?
Find equivalent fractions using the LCM.
How do you convert an improper fraction to a mixed number?
Divide the numerator by the denominator.
What is the process for adding mixed numbers?
Convert to improper fractions, find common denominators, then add.
What is the first step in dividing mixed numbers?
Convert to improper fractions.
Fill in the blank: To multiply fractions, you first ______ where possible.
cancel
What is the procedure for multiplying mixed numbers?
Convert to improper fractions, cancel if possible, then multiply.
What should you do with the numerators and denominators when multiplying fractions?
Multiply the numerators and multiply the denominators.
