Respuesta :

jamesphantos11

Answer:

10 1/2

Step-by-step explanation:

Converting both mixed numbers to improper fractions, we get 34/5+37/10. Now we can convert them both to have a denominator of 10 and we get 68/10+37/10. Combining, we get 105/10 or 10 1/2.

altavistard

Answer:

10  1/2

Step-by-step explanation:

The LCD here is 10.

Thus, our  6 4/5 + 3 7/10  becomes 6  8/10 + 3  7/10.

Adding the whole numbers, we get 9; adding the fractions, we get 15/10, or 1 1/2.  Combine this 9 and this 1  1/2:

Thus, our  6 4/5 + 3 7/10 becomes 10  1/2.