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what are the least common denominator of the four fractions listed below? 20 7\10 , 20 3\4 , 18 9\10 ,20 18\25. A:2. B: 40 C: 50 or D: 100?

User Tendrid
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A, I think
none of them have anything higher than a 2, so yeah
User DNKROZ
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