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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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Q: What is one fifth plus three fourths?

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0.55

negative one and a half

one-fourths + three-fourths = four-fourths = one whole

it is three and three fourths

that would be one and a quarter! =] 3/4 plus one half is 5/4 which is actually 1 and 1/4

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1.75 + 1.75 = 3.5 One and three fourths plus one and three fourths is three and a half.

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