fractions

True or False. The denominators of fractions must be the same before you can add or subtract them.

• True

• False

The number on the bottom of the fraction is called the .....

• Numerator

• Denominator

• Decimal

• Multiple

The number on top of a fraction is called the....

• Multiple

• Numerator

• Denominator

• Decimal

True or False. You simplify by subtracting the same number from the top and bottom.

• True

• False

What is the best common denominator for 4/6 and 2/3?

• 9ths

• 4ths

• 25ths

• 12ths

4 2/6 - 1 4/6 = ?

• 3 2/6

• 3 4/6

• 2 4/6

Solve

• 5/10

• 7/10

• 1/8

• 10/8

4/6 - 1/2

• 1/2

• 3/4

• 1/6

• 2/3

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction
• Rewrite the fractions in the simplest form. 
• Find a common denominator. 
• Make each fraction into an improper faction.