Question 6: what is the least common denominator (lcd)?

question 7: a common denominator is when the denominators of two or more fractions are the same.

true
false

question 8: what is a fraction in which the numerator is greater than the denominator?

question 9: what is a reciprocal?

question 10: what is a proportion?

(last question) question 11: what is a variable?

 7. LCD means, Lowest common denominator. so No
 
8. when the numerator is greater than the denominator it is called an improper fraction.

9. a reciprocal is when you flip a fraction around for example 4/5 reciprocal is 5/4.

10. a proportion is when a part, share, or number considered in comparative relation to a whole. for example: 2 : x = 3 : 9.

11. a variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x , y , and z are common generic symbols used for variables.

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