Question

Determine which rational humber is greater by rewriting each pair of fractions using their LCD.

2/15, 4/25
2/5, 4/11

Answer 1

9514 1404 393

Answer:

4/25

2/5

Explanation:

a) The LCD is 15·25/5 = 75, so the fractions can be rewritten as ...

2/15 = 10/75

4/25 = 12/75

4/25 is the greater fraction

__

b) The LCD is 5·11 = 55, so the fractions can be rewritten as ...

2/5 = 22/55

4/11 = 20/55

2/5 is the greater fraction