Add Mix Number and Fractions

What must you have to in order to add and subtract fractions?

• common numerators

• Different numerators

• common denominators

• different denominators

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Daryl added 2⅛ cups of cashews and 3⅞ cup chocolate chips to his snack mix. Which is the best estimate of the total amount of toppings Daryl added to his snack mix?

• About 6 cups

• About 5½ cups

• About 5 cups

• About 6½ cups

What is the the next step to finding this answer?

• Add the numerators (1+1=2)

• Multiply 12 X 1 for both fractions to find a new numerator

• Multiply to find each new numerator

• This is a mistake, you don't need to convert to twelfths

• denominators.

• 4   19/5

• 4 5/10

• 4 19/25

• 4 5/10

• 4 5/10

• 4 19/25

What is the sum?

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• denominators.

• 4   19/5

• 4 5/10

• 4 19/25

• 4 5/10

• 4 5/10

• 4 19/25

• denominators.

• 4   19/5

• 4 5/10

• 4 19/25

• 4 5/10

• 4 5/10

• 4 19/25

• denominators.

• 4   19/5

• 4 5/10

• 4 19/25

• 4 5/10

• 4 5/10

• 4 19/25

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.