Question

What is the sum of these mixed numbers?

4 1/3 + 1 1/5

A. 5 8/15
B. 5 3/5
C. 5 2/3

Answer 1

Option A, 5 8/15

Explanation:

Convert both to improper fractions:

4x3 + 1 = 13/3

1x5 + 1 = 6/5

Find the lowest common denominator and multiply the numerator and denominator to get to the LCD.

LCD- 15

13/3 x 5 = 65/15

6/5 x 3 = 18/15

Add the numerators.

65+18 = 83

Convert the improper fraction to a mixed fraction.

83/15 = 5 R8

Therefore the answer is 5 8/15