The errors about the fraction that was made include:
- He should have multiplied by 3/3 not 1/3.
- The fraction 2/3 is greater than 5/9 not less than 2/3.
How to illustrate the fraction?
It should be noted that she wants to compare 2/3 and 5/9. This will be:
= 2/3 × 3/3 = 6/9
Therefore, their illustrates that 6/9 and 5/9 have a common denominator.
Therefore, two-thirds is greater than five-ninths.
In conclusion, the correct options are B and D.
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Complete question
Sadi wanted to compare the fractions 2/3 and 5/9 using common denominators. His work is shown below.
The common denominator is 9. Two-thirds times one-third = two-ninths. Two-ninths less-than five-ninths. So, two-thirds is less-than five-ninths.
What errors did Sadi make? Check all that apply.
The common denominator is 6, not 9.
He should have multiplied by 3/3 not 1/3.
He should have gotten a common numerator, not a common denominator.
The fraction 2/3 is greater than 5/9 not less than 2/3.
