Mathematics Quiz on Lowest Common Multiple for Adding Fractions
Instructions:
Below are five questions related to the topic of adding fractions using the Lowest Common Multiple (LCM). Each question is accompanied by a description of an image which illustrates the scenario. Answer each question to the best of your ability.
- Question 1:
The image of a pizza cut into 8 equal slices, with two slices topped with pepperoni and three slices topped with mushrooms. How many slices of the pizza do you have together if you want to add the fractions of the toppings (2/8 for pepperoni and 3/8 for mushrooms) into one fraction?
Answer:
- Question 2:
The image of a fruit bowl containing 4 apples and 6 oranges. If you decide to represent apples as 4/12 and oranges as 6/12 to combine them, what is the Lowest Common Multiple (LCM) of the denominators?
Answer:
- Question 3:
The image of a cake divided into 12 equal pieces, with 5 pieces covered in chocolate frosting and 7 pieces with vanilla frosting. What fraction represents the total number of frosted pieces combined? (Hint: You should find a common denominator.)
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- Question 4:
The image of an hourglass with 1/3 of the top chamber filled with sand and 1/4 of the bottom chamber filled. If you want to combine these fractions, what would be the LCM of the denominators in order to add them?
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- Question 5:
The image of a garden where 2/5 of it is planted with flowers and 1/10 with vegetables. To find out what fraction of the garden is planted in total, what is the common denominator you'd use to add these fractions together?
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End of Quiz
Please make sure to review your answers! Good luck!