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I can recognize equivalent fractions by creating common denominators. NF1

Check to see if the smaller denominator divides into the larger denominator. If so, use the larger denominator as your common denominator.

Multiply the two denominators together. Use the product as your common denominator.

Find the LCM of the denominators by listing the multiples of each and circling the first one that is common to both.

What could be a common denominator for 1/2 and 2/5? Type the new fraction pairs.

What could be a common denominator for 4/5 and 7/10? Type the new fraction pairs.

What could be a common denominator for 1/2 and 1/3? Type the new fraction pairs.

Big books page 221

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