Understand a fraction a/b with a > 1 as a sum of fractions 1/b. Add and subtract mixed numbers with like denominators.

Sample Practice Questions (3)

Which expression shows

\frac{7}{8}

as a sum of unit fractions?

\frac{1}{8} + \frac{1}{8} + \frac{1}{8} + \frac{1}{8} + \frac{1}{8} + \frac{1}{8} + \frac{1}{8}

\frac{7}{1} + \frac{7}{1} + \frac{7}{1} + \frac{7}{1} + \frac{7}{1} + \frac{7}{1} + \frac{7}{1}

\frac{1}{7} + \frac{1}{7} + \frac{1}{7} + \frac{1}{7} + \frac{1}{7} + \frac{1}{7} + \frac{1}{7} + \frac{1}{7}

\frac{1}{8} + \frac{6}{8}

Which expression is *not* a correct way to decompose the fraction

\frac{6}{8}

\frac{1}{8} + \frac{1}{8} + \frac{1}{8} + \frac{1}{8} + \frac{1}{8} + \frac{1}{8}

\frac{3}{8} + \frac{3}{8}

\frac{2}{8} + \frac{4}{8}

\frac{1}{8} + \frac{1}{8} + \frac{1}{8} + \frac{1}{8} + \frac{1}{8} + \frac{1}{8} + \frac{1}{8}

Which equation shows a correct way to decompose the fraction

\frac{5}{6}

into a sum of unit fractions?

\frac{5}{6} = \frac{1}{6} + \frac{1}{6} + \frac{1}{6} + \frac{1}{6} + \frac{1}{6}

\frac{5}{6} = \frac{1}{5} + \frac{1}{5} + \frac{1}{5} + \frac{1}{5} + \frac{1}{5} + \frac{1}{5}

\frac{5}{6} = \frac{2}{6} + \frac{3}{6}

\frac{5}{6} = \frac{1}{6} + \frac{4}{6}

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