1. \( \frac{1}{2}+\frac{3}{4}-\frac{5}{8} \) 2. \( \frac{2}{3}+\frac{5}{6}-\frac{1}{2} \) 3. \( \frac{4}{5}-\frac{1}{10}+\frac{3}{20} \)

Calculate the value by following steps: - step0: Calculate: \(\frac{4}{5}-\frac{1}{10}+\frac{3}{20}\) - step1: Reduce fractions to a common denominator: \(\frac{4\times 2\times 2}{5\times 2\times 2}-\frac{2}{10\times 2}+\frac{3}{20}\) - step2: Multiply the terms: \(\frac{4\times 2\times 2}{20}-\frac{2}{10\times 2}+\frac{3}{20}\) - step3: Multiply the numbers: \(\frac{4\times 2\times 2}{20}-\frac{2}{20}+\frac{3}{20}\) - step4: Transform the expression: \(\frac{4\times 2\times 2-2+3}{20}\) - step5: Multiply the terms: \(\frac{16-2+3}{20}\) - step6: Calculate: \(\frac{17}{20}\) Calculate or simplify the expression \( \frac{1}{2}+\frac{3}{4}-\frac{5}{8} \). Calculate the value by following steps: - step0: Calculate: \(\frac{1}{2}+\frac{3}{4}-\frac{5}{8}\) - step1: Reduce fractions to a common denominator: \(\frac{2\times 2}{2\times 2\times 2}+\frac{3\times 2}{4\times 2}-\frac{5}{8}\) - step2: Multiply the terms: \(\frac{2\times 2}{8}+\frac{3\times 2}{4\times 2}-\frac{5}{8}\) - step3: Multiply the numbers: \(\frac{2\times 2}{8}+\frac{3\times 2}{8}-\frac{5}{8}\) - step4: Transform the expression: \(\frac{2\times 2+3\times 2-5}{8}\) - step5: Multiply the numbers: \(\frac{4+3\times 2-5}{8}\) - step6: Multiply the numbers: \(\frac{4+6-5}{8}\) - step7: Calculate: \(\frac{5}{8}\) Calculate or simplify the expression \( \frac{2}{3}+\frac{5}{6}-\frac{1}{2} \). Calculate the value by following steps: - step0: Calculate: \(\frac{2}{3}+\frac{5}{6}-\frac{1}{2}\) - step1: Reduce fractions to a common denominator: \(\frac{2\times 2}{3\times 2}+\frac{5}{6}-\frac{3}{2\times 3}\) - step2: Multiply the numbers: \(\frac{2\times 2}{6}+\frac{5}{6}-\frac{3}{2\times 3}\) - step3: Multiply the numbers: \(\frac{2\times 2}{6}+\frac{5}{6}-\frac{3}{6}\) - step4: Transform the expression: \(\frac{2\times 2+5-3}{6}\) - step5: Multiply the numbers: \(\frac{4+5-3}{6}\) - step6: Calculate: \(\frac{6}{6}\) - step7: Reduce the numbers: \(\frac{1}{1}\) - step8: Calculate: \(1\) Aquí están los resultados de las operaciones: 1. Para \( \frac{1}{2}+\frac{3}{4}-\frac{5}{8} \): - El resultado es \( \frac{5}{8} \) o \( 0.625 \). 2. Para \( \frac{2}{3}+\frac{5}{6}-\frac{1}{2} \): - El resultado es \( 1 \). 3. Para \( \frac{4}{5}-\frac{1}{10}+\frac{3}{20} \): - El resultado es \( \frac{17}{20} \) o \( 0.85 \). Si necesitas más ayuda, no dudes en preguntar.