Adding and Subtracting Fractions with Like Denominators

What is the improper fraction form of two and one-half?

• 2/5

• 3/2

• 1/2

• 5/2

How do you convert a mixed number to an improper fraction?

• Add the numerator to the denominator

• Multiply the whole number by the denominator and add the numerator

• Multiply the numerator by the denominator

• Subtract the numerator from the product of the whole number and the denominator

When adding fractions with the same sign, what should you do with the numerators?

• Subtract them

• Multiply them

• Divide them

• Add them

What is the result of adding 4/9 and 1/9?

• 5/9

• 3/18

• 5/18

• 3/9

How do you handle adding fractions with different signs?

• Subtract the numerators and take the sign of the larger absolute value

• Add the numerators

• None of the above

• Multiply the numerators

What is the result of subtracting 2/5 from 3/5?

• 1/5

• 5/10

• 1/10

• 5/8

What does the 'keep, change, change' rule refer to?

• Keeping the numerator, changing the denominator, and changing the operation

• Keeping the denominator, changing the operation from addition to subtraction, and changing the sign of the second fraction

• None of the above

• Changing both numerators and denominators but keeping the operation

What is the result of applying 'keep, change, change' to 1/7 minus -5/7?

• 6/7

• 4/7

• -6/7

• -4/7

What is the final result of adding -5/3 and 4/3?

• 9/6

• -9/6

• 1/3

• -1/3

What is emphasized about the operations on fractions in the summary?

• They are unrelated to integer operations

• They are similar to integer operations, focusing on numerators while keeping denominators

• They only apply to positive fractions

• They require changing both numerators and denominators