Which is the sum of 2 1/5 and 1 3/5
A : 3/5
B : 3 4/5
C : 3 3/25
D : 4 4/5
To find the sum of 2 1/5 and 1 3/5, we need to convert them to a common denominator. The common denominator of 5 and 5 is 25.
2 1/5 can be rewritten as 10/5 + 1/5 = 11/5.
1 3/5 can be rewritten as 5/5 + 3/5 = 8/5.
Now, we can add the fractions:
11/5 + 8/5 = (11 + 8)/5 = 19/5.
Therefore, the sum of 2 1/5 and 1 3/5 is 19/5.
To convert this improper fraction to a mixed number, we divide the numerator (19) by the denominator (5). The quotient is 3 with a remainder of 4.
So, 19/5 can be written as 3 4/5.
Therefore, the sum of 2 1/5 and 1 3/5 is B: 3 4/5.