Respuesta :
Answer:
Step-by-step explanation:
1. Look a lowest common denominator
2. Divide 12 by 4 and 12 itself as it is the lowest common denominator,,multiply the quotients by there respective numeraters as in the picture
3. Add,,,then simplyfy

Answer:
Step-by-step explanation:
1. Look a lowest common denominator
2. Divide 12 by 4 and 12 itself as it is the lowest common denominator,,multiply the quotients by there respective numeraters as in the picture
3. Add,,,then simplyfy