ADDING & SUBTRACTING FRACTIONS

Front

What is the first step when adding or subtracting fractions with unlike denominators?

Back

Find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Back

Tags

CCSS.7.NS.A.1C

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What does it mean to simplify a fraction to its lowest terms?

Back

To reduce the fraction so that the numerator and denominator have no common factors other than 1.

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

Back

The least common multiple (LCM) of 3 and 4 is 12, so the common denominator is 12.

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

When adding fractions with the same denominator, what do you do with the denominators?

Back

Keep the denominator the same and add the numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D