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Explanation:

Response
Problem 2: \( 2\frac{5}{8} - 1\frac{2}{4} \)

Step 1: Convert mixed numbers to improper fractions

\( 2\frac{5}{8}=\frac{2\times8 + 5}{8}=\frac{21}{8} \), \( 1\frac{2}{4}=\frac{1\times4+2}{4}=\frac{6}{4}=\frac{3}{2} \) (simplify \( \frac{6}{4} \) to \( \frac{3}{2} \))

Step 2: Find a common denominator (8) and rewrite fractions

\( \frac{3}{2}=\frac{3\times4}{2\times4}=\frac{12}{8} \), so \( \frac{21}{8}-\frac{12}{8} \)

Step 3: Subtract the numerators

\( \frac{21 - 12}{8}=\frac{9}{8} \)

Step 4: Convert back to mixed number (or simplify)

\( \frac{9}{8}=1\frac{1}{8} \)

Step 1: Convert mixed numbers to improper fractions

\( 5\frac{1}{9}=\frac{5\times9 + 1}{9}=\frac{46}{9} \), \( 3\frac{8}{18}=\frac{3\times18+8}{18}=\frac{62}{18}=\frac{31}{9} \) (simplify \( \frac{62}{18} \) by dividing numerator and denominator by 2)

Step 2: Subtract the fractions (same denominator)

\( \frac{46}{9}-\frac{31}{9}=\frac{46 - 31}{9}=\frac{15}{9} \)

Step 3: Simplify the fraction

\( \frac{15}{9}=\frac{5}{3}=1\frac{2}{3} \)

Step 1: Convert mixed numbers to improper fractions

\( 4\frac{2}{3}=\frac{4\times3 + 2}{3}=\frac{14}{3} \), \( 1\frac{2}{6}=\frac{1\times6+2}{6}=\frac{8}{6}=\frac{4}{3} \) (simplify \( \frac{8}{6} \) by dividing numerator and denominator by 2)

Step 2: Subtract the fractions (same denominator)

\( \frac{14}{3}-\frac{4}{3}=\frac{14 - 4}{3}=\frac{10}{3} \)

Step 3: Convert back to mixed number

\( \frac{10}{3}=3\frac{1}{3} \)

Answer:

\( 2\frac{5}{8}-1\frac{2}{4}=\frac{21}{8}-\frac{6}{4}=\frac{21}{8}-\frac{12}{8}=\frac{9}{8}=1\frac{1}{8} \)

Problem 3: \( 5\frac{1}{9} - 3\frac{8}{18} \)