Adding and Subtracting Multiply Divide Mixed Numbers

When you are adding and subtracting fractions, what is one of the first things you must do.

• Start adding and subtracting

• Find a common denominator

• Call a friend for help

• Panic

5 2/3 + 4 1/4

• 9 3/7

• 1 1/4

• 9 11/12

• 10 3/12

When you are adding or subtracting a mixed number and an improper fraction, what is the first thing you should do?

• Use a calculator because this is just too hard

• Add all the numbers together to get your answer

• Change them to both mixed numbers or both improper fractions

• Give up, because you just can't do this type of problem

When adding and subtracting fractions, when do you use multiples?

• When you are trying to find the common denominator

• When you are simplifying fractions

• When your numbers are too small

• When your numbers are too large

3 1/2 + 8/3

• 6 1/6

• 3 9/5

• 5 3/5

• 6 1/5

When you are adding and subtracting fractions, when do you use the factors?

• When Finding the common denominator

• When simplifying or reducing the fraction

• When you have no idea what to do

• When the decimal is a power of 10

Convert mixed numbers into improper fractions. Create equivalent fractions by finding the lowest common multiple. Add/Subtract the numerators. This is the method for...

• Multiplying fractions.

• Simplifying fractions.

• Adding or subtracting mixed numbers.

• Finding fractions of amounts.

Answer explanation

Convert both fractions into equivalents with the same denominator by finding the lowest common multiple. Then focus on the numerators. This method works for...

• comparing, ordering, adding and subtracting fractions.

• comparing and ordering fractions only.

• adding and subtracting fractions only.

• Finding a fraction of an amount.

Answer explanation

Multiply the whole number by the denominator. Then add on the numerator. The denominator stays the same. You have just...

• Converted from an improper fraction into a mixed number.

• Made an equivalent fraction

• Converted from a mixed number into an improper fraction.

• Found a fraction of an amount.

Answer explanation