6-5-8 Multiplying Mixed Numbers

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.

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 the result over the original denominator. For example, 2 1/2 = (2*2 + 1)/2 = 5/2.

Front

What is the first step in multiplying mixed numbers?

Back

Convert each mixed number to an improper fraction.

Front

How do you multiply two fractions?

Back

Multiply the numerators together and the denominators together. For example, (2/3) * (3/4) = (2*3)/(3*4) = 6/12.

Front

What is the final step after multiplying fractions?

Back

Simplify the resulting fraction if possible.

Front

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

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder is the new numerator over the original denominator.

Front

If Bob makes 5 3/5 batches of cupcakes and each batch requires 1/4 cups of flour, how do you find the total flour needed?

Back

Multiply 5 3/5 (which is 28/5) by 1/4 to get 28/20, which simplifies to 1 2/5 cups.

Front

What is the value of 1 1/3 as an improper fraction?

Back

1 1/3 = (1*3 + 1)/3 = 4/3.

Front

If one batch of cookies requires 4 1/2 cups of flour, how do you calculate the total flour for 1 1/3 batches?

Back

Convert 1 1/3 to 4/3 and multiply by 4 1/2 (which is 9/2). So, (4/3) * (9/2) = 36/6 = 6 cups.

Front

How do you calculate the cost of 3 3/4 pounds of chocolate at $2 per pound?

Back

Multiply 3 3/4 (which is 15/4) by 2 to get 30/4, which simplifies to $7.50.