Lesson Worksheet: Subtracting Mixed Numbers with Unlike Denominators Mathematics • 5th Grade
In this worksheet, we will practice subtracting fractions and mixed numbers with different denominators by partitioning and finding common denominators and writing the answer in simplest form.
The table shows the number of hours Daniel has been working the past 3 weeks. He normally works a maximum of 112 hours a month. How many hours will he spend working in week 4?
|Number of Hours||?|
- A h
- B h
- C h
- D h
- E h
to the nearest thousandth.
Isabella wants to find out how much her dog weighs. She steps on the scale and reads her weight as pounds. The combined weight of Isabella and dog is pounds. How much does her dog weigh?
- A lb
- B lb
- C lb
- D lb
- E lb
to the nearest hundredth.
Liam and James are solving the problem . Liam said that the answer is , and James said that the answer is . Who is right?
Olivia solved as follows:
Using the same method, find .
Hannah finds the answer to in three steps.
First, she finds a common denominator: .
Next, she regroups to help herself calculate: .
Finally, she subtracts the wholes then the fractions and finds the answer: and , so .
Use Hannah’s method to calculate the answer to .
Which number is less than ? Give your answer in its simplest form.
Write and as improper fractions with a common denominator.
Use your improper fractions to find the answer to . Write your answer in its simplest form.