alleryFind 3 1/4 - 1 3/4.
A2 1/2
B1 1/2
C1 1/4
D2 1/4
Answer & Solution
Correct answer: B. 1 1/2
1. 3/4 cannot come out of 1/4, so borrow one from the 3: 2 and 5/4.
2. Subtract: 2 - 1 = 1 and 5/4 - 3/4 = 2/4 = 1/2.
3. The answer is 1 1/2; the other values come from forgetting to borrow or subtracting in the wrong order.
_Source: Wikipedia, Fraction, section Subtraction_
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