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Earn +20 ptsQ: Find the least common denominator 5 7 and 19 77?
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What is the least common denominator of 19 and 112?
19 is prime, so multiply 19 by 112.
What is the least common denominator for 6 and 20 and 19?
LCM(6, 20, 19) = 1140
What is the least common denominator of 9 over 20 and 19 over 46?
The LCD of 9/20 and 19/46 is 460.
What is a common denominator for 19 and 11?
A common denominator is 209, as is any multiple of 209.
What is one fifth plus three fourths?
1/5 + 3/4 First you have to find the common Denominator. The common denominator is 20. 1/5 = 4/20 (5x4=20, so you have to multiply the 1 by 4 as well) 3/4=15/20 (4x5=20 and 3x5=15) Now that you know your common denominator is 20, you can now add your fractions. 4/20 + 15/20 = 19/20 (you only add the numerator, the denominator stays the same) so, your answer is...... 19/20
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