Equivalent Fractions Using LCD

LCD stands for:

• None of the choices

• Lowest Common Denominator

• Lowest Current Denominator

• Lowest Correct Denominator

After you find the LCD, you

• add numerators

• create equivalent fractions

• keep the same denominator

• simplify/reduce if needed

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After you create equivalent fractions using your new denominator, you do what?

• add new numerators

• list factors of you numerator and denominator

• find the LCD

• create equivalent fractions

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

Fill in the missing number to form an equivalent fraction.

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Must find the ______ when adding and subtracting fractions.

• least common denominator (LCD)

• greatest common factor (GCF)

• Prime Factorization

• least common numerator

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Find the least common denominator (LCD) and write the equivalent fraction for 1/3, 1/5.

• 15, 5/15, 3/15

• 30, 5/30, 3/30

• 10, 3/10, 5/10

• 90, 20/90, 50/90

Find the least common multiple/denominator of 4/9 and 1/12. Which of the following are the correct equivalent fractions of 4/9 and 1/12 using the LCM/LCD?

• 9/12 and 4/12

• 16/36 and 3/36

• 4/36 and 16/36

• 16/24 and 2/24

Fill in the missing number to form an equivalent fraction.

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Which fraction is equivalent to ¹/₂?

• ⁶/₄

• ⁶/₈

• ⁶/₁₀

• ⁶/₁₂

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CCSS.3.NF.A.3A

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Is the fraction 1/3 equivalent to 4/12?

• Yes

• No

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