a + b = 7 2/4 which is 7.5
a - b = 5
2 a = 12 2/4
a = 6 1/4
b = 7 2/4 - 6 1/4 = 1 1/4
What are two mixed numbers so that the sum is 7 2/4 and the difference is 5
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Not understanding please what is the answer and how do you work this problem
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