Find the missing fraction x: 2/3 + x = 23/21
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Answer:
x= 9/21= 3/7
Step-by-step explanation:
2/3 + x = 23/21
x= 23/21 - 2/3
x= 23/21 - 14/21
x= (23-14)/21
x= 9/21= 3/7
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