Understanding Fractions and Farey Addition

What is the simplest form of the fraction 18/42?

• 9/21

• 3/7

• 6/14

• 2/5

When multiplying fractions, what is the correct method?

• Multiply the numerators and denominators separately

• Add the numerators and denominators separately

• Add the numerators and multiply the denominators

• Multiply the numerators and add the denominators

What is the incorrect way to add fractions?

• Subtract numerators and denominators

• Add numerators and denominators separately

• Multiply numerators and denominators

• Find a common denominator

What is the Farey addition of 2/5 and 3/7?

• 5/12

• 12/35

• 5/35

• 10/35

Who is the Farey addition named after?

• John Farey

• Isaac Newton

• Carl Gauss

• Leonhard Euler

What is the range of fractions considered in the Farey sequence?

• Between 0 and 2

• Between 0 and 1

• Between 1 and 2

• Between -1 and 1

In the Farey sequence, what is the Farey sum of 11/24 and 17/37?

• 28/61

• 28/71

• 28/81

• 28/51

What is the diameter of a Ford circle for the fraction 1/3?

• 1/12

• 1/3

• 1/6

• 1/9

What is the unique property of Ford circles?

• They are disjoint

• They are tangent to each other

• They are concentric

• They overlap each other

What mathematical concept is closely related to the pattern of Ford circles?

• Non-Euclidean geometry

• Algebraic geometry

• Euclidean geometry

• Projective geometry