What is 4/7 plus 1 1/3

You would get 89/21 and then for a mixed number 4& 5/21

The answer is 40/21 or 1 19/21 as a mixed number.

4/7+1 1/3=

1 1/3=4/3

4/7+4/3=

4/7 times 3/3 = 12/21

4/3 times 7/7 = 28/21

The common denominator is 21, I multiplied the fractions by 3 and by 7 because 3 times 7 = 21 and 7 times 3=21.

Answer: 40/21