Answer:
4 2/21
Step-by-step explanation:
2/3 and 3/7 have a common denominator, 21
so, 14/21 and 9/21
plug in the whole numbers: 1 14/21 and 2 9/21
which will give you: 3 23/21
so, simplify it which will give u the answer: 4 2/21
