Answer:13/21'ths of his homework
Step-by-step explanation:
multiply 1/3 by 7 and 2/7 by 3 and add to achieve this.
Answer:

combine terms
subtract x from both sides and add 1 to both sides

Answer is A
One and one-fourth equals to 5 over 4
5/4 times 3/3 equals to 15/12
subtract 5/12 from 15/12
the answer is 10/12
simplest form is 5/6
hope it helped
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