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Evaluate the expression.\newline12+34÷13\frac{1}{2} + \frac{3}{4} \div \frac{1}{3}\newlineWrite your answer as a fraction or as a whole or mixed number.\newline______

Full solution

Q. Evaluate the expression.\newline12+34÷13\frac{1}{2} + \frac{3}{4} \div \frac{1}{3}\newlineWrite your answer as a fraction or as a whole or mixed number.\newline______
  1. Convert to multiplication: Convert the division into multiplication by the reciprocal.\newline12+(34÷13)\frac{1}{2} + \left(\frac{3}{4} \div \frac{1}{3}\right) becomes 12+(34×31)\frac{1}{2} + \left(\frac{3}{4} \times \frac{3}{1}\right)\newlineCalculation: 34×31=94\frac{3}{4} \times \frac{3}{1} = \frac{9}{4}
  2. Add fractions: Add 12\frac{1}{2} to 94\frac{9}{4}.\newlineConvert 12\frac{1}{2} to a fraction with a denominator of 44: 12=24\frac{1}{2} = \frac{2}{4}\newlineCalculation: 24+94=114\frac{2}{4} + \frac{9}{4} = \frac{11}{4}