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?
The common denominator should be 4 rather than 8.
The numerators are compared incorrectly.
The fraction One-half should have been rewritten as StartFraction 6 Over 8 EndFraction.
The fraction One-half should have been rewritten as StartFraction 4 Over 8 EndFraction.
To compare two fraction you need to rewrite the fractions so they have a common denominator. 1/2 should have been rewritten as 4/8 The answer is: D. The fraction 1/2 should have been rewritten as 4/8.
