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3 years ago

What is the vaule of -2 1/6 - 1 1/4 + 1 3/4? A. -1 2/3 B. -1 1/3 C. 2 1/3 D. 2 2/3

Mathematics

2 answers:

Scorpion4ik [409]3 years ago

8 0

Answer: A. -1 2/3

-2 1/6 - 1 1/4 + 1 3/4 (convert from mixed numbers to improper fractions)

= -13/6 - 5/4 + 7/4 (multiply to have the same LCD)

= -26/12 - 15/12 + 21/12

= -20/12 (convert back to a mixed number)

= -1 8/12 (simplify the mixed number)

= -1 2/3

riadik2000 [5.3K]3 years ago

6 0

Answer: A. -1 2/3

Step-by-step explanation:

-2 1/6 - 1 1/4 + 1 3/4 = -1 8/12 = -1 2/3

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