Find the sum and simplify your answer.

91
8
+
11
2
A.
101
10
B.
91
16
C.
93
16
D.
105
8
That's Correct!
It's Wrong!
9 1
8
+
1 1
2

To add mixed numbers, we first add the whole number parts together, and then the fraction parts.

Add the whole parts.

9 + 1 = 10

Now, add the fraction parts.

1
8
+
1
2

Let’s find the least common multiple of 8 and 2.

Least common multiple of 8 and 2 is 8.

So, least common denominator = 8

Now, rewrite both the fractions with denominator 8.

1
8
×
1
1
=
1
8
1
2
×
4
4
=
4
8

Now, add:

1
8
+
1
2
=
1
8
+
4
8
=
1 + 4
  8
=
5
8

Now, write the sum of whole parts and fraction parts together.

10
5
8
So, the required sum is
10 5
8
.

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Key Data

Questions
10
Grade
5
Theme
Fractions
Passing score
80%

Progress

8 Incorrect
10 Correct
1
2
3
4
5
6
7
8
9
10
Restart