Respuesta :

mariahcarrie
You would get 89/21 and then for a mixed number 4& 5/21
amelia18
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