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

Step-by-step 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