Adding Fractions
Finding the LCD or GCF
100

When adding fractions, they must have the same ______.

What is denominator?

100

`Find the LCM of 3 & 6

What is 6

200

When adding fractions with unlike denominators, you must find the ______.

What is the least common denominator?

200

Find the LCD for 1/4 and 1/6

12

300

When adding fractions with a common denominator, what do you do with the numerators?

What is add?

300

What is the LCD for 3/4 and 3/5?

20

400

A fraction can be simplified if they have a common _______.

What is factor?

400

The GCF of 16 and 8

What is 8?

500

7/22 + 4/22 = ? (Simplified form)

What is 1/2

500

The GCF of 21 and 15

What is 3?

600

2/10 + 3/10

What is 1/2

600

What is a GCF?

Greatest Common Factor - used to simplify fractions

700

1 2/3 + 2 3/4

What is 4 5/12

700

List two uses for a LCD?

Addition, subtraction and comparison of fractions

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