How can you know which equation is true? 1/2 + 3/8 = 4/10 = 2/5
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A. Because 1+3=4 and 2+8=10, this equation must be true.

B. Because 2/5 < 1/2, this equation can not be true

C. This equation must be true, because when you add fractions the sum is always less than 1/2.

D. Because 3/8 < 1/2, this equation must be true.