High School life (Grade 7)

Number Theory Level 1

− 2 5 + 7 − 10 + − 14 35 + 13 − 45 = ? \large \frac{-2}{5}+\frac{7}{-10}+\frac{-14}{35}+\frac{13}{-45} = \, ?

175 100 \frac{175}{100} 161 87 \frac{161}{87} − 161 90 -\frac{161}{90} 161 90 \frac{161}{90}

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1 solution

Denton Young
May 14, 2016

Converting all denominators to +90, the numerators are -36, -63, -36 and -26. That adds to -161.

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