Colleen compared the ratios 3:8 and One-half. Her work is shown below. Write the ratios as fractions: Three-eighths and One-half

The common denominator is 8.

Write each fraction using the common denominator: Three-eighths and One-eighth

Compare the numerators: 3 > 1

Write the correct statement: Three-eighths > One-half

Where did Colleen make her first mistake?

A. The common denominator should be 4 rather than 8.

B. The numerators are compared incorrectly.

C. The fraction One-half should have been rewritten as 6 Over 8

D. The fraction One-half should have been rewritten as 4 Over 8