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what is the sum of 3/4 and 4/5?
a.1 11/20 b.1 1/20 c.1 2/20 d.3/10


Sagot :

Answer:

A. 1 11/20

Step-by-step explanation:

There are two ways to solve this problem.

First, we can find their LCD and adjust their numerators to find the sum.

3/4 + 4/5 = 15/20 + 16/20 = 31/20 = 1 11/20

Another option is to add the two fractions as decimals.

3/4 + 4/5 = 0.75 + 0.8 = 1.55 = 1 11/20

Either way, we get the same answer which is 1 11/20. The correct answer is Option A.

Hope this helps!

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