What is 1/3 + 1/4?
What is 1/3 + 1/4?
Approach: Find common denominator of 12.
7/12. 4/12 + 3/12 = 7/12.
Follow-up: What is 1/3 - 1/4?
Key concepts: least common multiple.
What is 1/3 + 1/4?
Approach: Find common denominator of 12.
7/12. 4/12 + 3/12 = 7/12.
Follow-up: What is 1/3 - 1/4?
Key concepts: least common multiple.