Multiplying and Simplifying Fractions

This video tutorial covers the multiplication of fractions, including converting mixed numbers to improper fractions, simplifying fractions, and multiplying numerators and denominators. It provides step-by-step solutions to various example problems, ranging from basic to complex, and concludes with real-world application problems to reinforce the concepts learned.

What is the first step when multiplying fractions that involve mixed numbers?

• Convert mixed numbers to improper fractions

• Add the fractions first

• Multiply the numerators directly

• Simplify the fractions after multiplying

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When multiplying 3/8 by 5/6, what simplification can be done before multiplying?

• Cross-simplify 5 and 8

• Simplify 3 and 5

• Simplify 8 and 6

• Cross-simplify 3 and 6

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What is the result of multiplying 1/8 by 5/2?

• 1/10

• 5/16

• 5/10

• 1/16

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In the example of multiplying 6/5 by 7/16, which numbers can be simplified diagonally?

• 5 and 7

• 6 and 16

• 5 and 16

• 6 and 7

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CCSS.5.NF.B.6

When multiplying 19/8 by 3/7, what simplification can be done diagonally?

• Simplify 19 and 3

• Simplify 8 and 7

• Simplify 8 and 12

• Simplify 19 and 7

How do you convert the result of 49/2 into a mixed number?

• Divide 49 by 2 and use the remainder

• Multiply 49 by 2 and simplify

• Add 49 and 2

• Subtract 2 from 49

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In the example of multiplying 5/4 by 37/10, which numbers can be simplified diagonally?

• 5 and 37

• 4 and 10

• 4 and 37

• 5 and 10

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In the problem where Rachel uses 2/3 of her flour, what is the first step to find out how much flour is left?

• Add 2/3 to the total flour

• Convert 2/3 to a decimal

• Multiply the total flour by 2/3

• Subtract 2/3 from the total flour

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How do you find the least common multiple when adding fractions with different denominators?

• Multiply the denominators together

• Subtract the smaller denominator from the larger one

• Find the smallest number both denominators divide into

• Add the denominators

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CCSS.5.NF.B.6

If Jack runs 1 and 1/4 times further than his longest run of 3 and 7/15 miles, how far does he run?

• 4 miles

• 5 miles

• 4 and 1/3 miles

• 3 and 1/3 miles

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CCSS.5.NF.B.6