Question

Which expression is equivalent to 3 7/8-6 1/4

Answer 1

get a common denominator which is 24

3 7/8 = 3 21/24

6 /4 = 6 6 /24

3 21/24 - 6 6 /24

big number minus small number take sign of larger

6 6/24

- 3 21/24

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5  30/24

3  21/24

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2  9/24

2 3/8

the sign of the larger is negative

-2 3/8