Question

Least common denominator for 4 and 28?
a) 4
b) 7
c) 14
d) 28

Answer 1

The least common denominator for 4 and 28 is 28. Hence the correct answer is option D

Step-by-step explanation:

The least common denominator for 4 and 28 is 28 (option d). To find the least common denominator, we need to identify the multiples of both 4 and 28 until we find a common multiple.

For 4, the multiples are: 4, 8, 12, 16, 20, 24, 28.

For 28, the multiples are: 28, 56, 84, 112, 140, 168, 196, 224, 252, 280.

The first common multiple is 28, so it is the least common denominator.

Hence the correct answer is option D