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4 problems match “common denominator”. Clear

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1. Mixed numbers with three terms ●○○○○ 10 ptsCompute $6 \frac{2}{3} + 4 \frac{3}{5} - 2 \frac{4}{5}$. Round to two decimal places.
2. Adding unlike fractions ●○○○○ 10 ptsEvaluate $\frac{1}{8} + \frac{5}{12}$ without using a calculator. Give your answer as a decimal rounded to two decimal places.
3. Adding a fraction and a mixed number ●○○○○ 10 ptsFind $\frac{3}{4}+2\frac{1}{3}$ as a decimal. Round to two decimal places.
4. Sum of four rational numbers ●●○○○ 20 ptsAdd $2\frac{3}{5}$, $\frac{-15}{13}$, $\frac{-13}{-15}$ and $-4\frac{3}{5}$. Round the sum to two decimal places.