Subtracting Fractions with REGROUPING

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between two fractions, which involves taking one fraction away from another.

Tags

CCSS.4.NF.B.3A

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from a larger unit to make subtraction possible, especially when the top number is smaller than the bottom number.

Tags

CCSS.7.NS.A.1C

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, first find a common denominator, convert the fractions, and then subtract the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step in subtracting mixed numbers?

Back

The first step is to convert the mixed numbers into improper fractions.

Tags

CCSS.7.NS.A.1C

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place that result over the original denominator.

Front

What is the improper fraction for 2 and 1/4?

Back

The improper fraction for 2 and 1/4 is 9/4.

Front

What is the improper fraction for 1 and 2/3?

Back

The improper fraction for 1 and 2/3 is 5/3.

Front

How do you find the difference between 4⅓ and 1⅔?

Back

Convert both to improper fractions: 4⅓ = 13/3 and 1⅔ = 5/3. Then subtract: 13/3 - 5/3 = 8/3, which simplifies to 2⅔.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the common denominator for 12/5 and 4/3?

Back

The common denominator for 12/5 and 4/3 is 15.