Finding LCD Challenge

Math Challenge
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Find the LCD of 5/9, 9/10, 2/7, 2 1/2 and 2/7
Find the LCD of 5/9, 5/9, 1 1/7, 4/9 and 3/7
Find the LCD of 1 2/7, 1 1/4, 1 2/3, 5/9 and 2/7
Find the LCD of 10, 4/5, 9, 8/9 and 10
Find the LCD of 6/10, 8, 10, 1 1/2 and 3
Find the LCD of 3/4, 9, 1 1/4, 8 and 3/8
Find the LCD of 6/8, 8, 4/10, 5/7 and 1 1/4
Find the LCD of 5, 9, 2 2/4, 4/6 and 10
Find the LCD of 9, 1 1/7, 6/7, 5 and 9/10
Find the LCD of 10, 5/6, 1 1/6, 5 and 7
Finding LCD challenge is an online test to assess 3rd or 4th grade student's math skills on find the least common denominator of two or more like and unlike fractions in pre-algebra or number and operations - fractions (NF) of common core state standards (CCSS) for mathematics.
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kuku
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