Subtracting Mixed Numbers with Regrouping

What is the initial expression given in the problem?

• 12 and 4/9 minus 17 and 2/3

• 17 and 2/3 minus 12 and 4/9

• 12 and 2/3 minus 17 and 4/9

• 17 and 4/9 minus 12 and 2/3

Why is it necessary to find a common denominator for the fractions?

• To make the fractions easier to add

• To make the fractions easier to subtract

• To convert the fractions to whole numbers

• To simplify the fractions

What is the least common multiple of 9 and 3?

• 9

• 6

• 3

• 12

How do you convert 2/3 to a fraction with a denominator of 9?

• Divide both numerator and denominator by 3

• Multiply both numerator and denominator by 3

• Multiply both numerator and denominator by 2

• Divide both numerator and denominator by 2

What is 2/3 converted to a fraction with a denominator of 9?

• 4/9

• 5/9

• 6/9

• 7/9

What is the next step after converting the fractions to have a common denominator?

• Add the fractions

• Subtract the fractions

• Regroup the fractions

• Simplify the fractions

What do you do when you have a larger fraction to subtract from a smaller one?

• Regroup by taking a whole from the whole number part

• Subtract a whole number from the larger fraction

• Add a whole number to the smaller fraction

• Convert the fractions to decimals

What is 17 and 4/9 regrouped as?

• 17 and 9/9

• 16 and 13/9

• 16 and 4/9

• 17 and 13/9

What is 13/9 minus 6/9?

• 8/9

• 6/9

• 7/9

• 5/9

What is the final result of 17 and 4/9 minus 12 and 2/3?

• 4 and 5/9

• 4 and 6/9

• 4 and 7/9

• 4 and 8/9