A is a common factor of 72 and 108

b is a common multiple of 4 and 10

work out the highest possible value of a/b

Question

Joy Barrett

Mathematics

1 May, 04:07

A is a common factor of 72 and 108

b is a common multiple of 4 and 10

work out the highest possible value of a/b

+5

Answers (2)

Know the Answer?

Lukas Lester · Answer 1

36/20 = 9/5

Step-by-step explanation:

Factors of 72: 2*2*2*3*3

Factors of 108: 2*2*3*3*3

A: 2, ..., 36

Multiples of 4: 4, 8, 12, 16, 20 ...

Multiples of 10: 10, 20, 30 ...

B: 20, 40, ...

Highest fraction value when:

Denominator least

Numerator max

36/20

A is a common factor of 72 and 108b is a common multiple of 4 and 10work out the highest possible value of a/b

A is a common factor of 72 and 108

b is a common multiple of 4 and 10

work out the highest possible value of a/b