shirst1953 shirst1953

19-01-2020
Mathematics

contestada

Negative three eighth minus one tenth A. 19/40 B. -19/40 c.-3/8 D. 2/9

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cashqueenbee cashqueenbee

19-01-2020

B. -19/40 is the answer.

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devishri1977 devishri1977

19-01-2020

Answer:

B)

Step-by-step explanation:

LCM of 8,10 =40

[tex]\frac{-3*5}{8*5}=\frac{-15}{40}\\\\\frac{1*4}{10*4}=\frac{4}{10}\\\\ \frac{-3}{8}-\frac{1}{10}=\frac{-15}{40}-\frac{4}{40}\\\\=\frac{-15-4}{40}=\frac{-19}{40}[/tex]

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