Respuesta :

Answer:

3 1/4 + 2 1/3 = 67 / 12 = 57 1/2

Step-by-step explanation:

Conversion a mixed number to a improper fraction: 3 1/4 = 3 · 4 + 1

4

= 13

4

Conversion a mixed number to a improper fraction: 2 1/3 = 2 · 3 + 1

3

= 7

3

Add: 13

4

+ 7

3

= 13 · 3

4 · 3

+ 7 · 4

3 · 4

= 39

12

+ 28

12

= 39 + 28

12

= 67

12

Answer is 1 2/3. You have to change it into improper fraction first then subtract to get the answer. Once you get the answer change it back to whole number. Simple. :)