2 years ago

I don't remember how to do this

1 answer:

meriva2 years ago

4 0

B. Fractions have to have the same denominator so $\frac{9}{10} - \frac{2}{5} = \frac{9}{10} - \frac{4}{10}$ which = $\frac{5}{10}$ then you simplfy it to $\frac{1}{2}$ so it would be B

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MissTica

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