FMCC Worksheet 4

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\usepackage c a n c e l \usepackage m u l t i r o w \usepackage h h l i n e

Worksheet Worksheet 4
A4 US

1.

Convert $\frac{23}{5}$ and $\frac{25}{7}$ from improper fractions to mixed numbers without drawing a diagram.

2.

Convert $3 \frac{2}{9}$ and $4 \frac{4}{5}$ from mixed numbers to improper fractions without drawing a diagram.

3.

Completely reduce the fractions $\frac{35}{60}$ and $\frac{28 m^{2} n^{3}}{36 m n^{8}} .$

4.

Check the presentation for errors. If you find one, circle it and describe the mistake in words.

\frac{4 x y}{12 x^{2} y^{3}} = \frac{4 x y}{3 x y^{2} \cdot 4 x y} = \frac{4 x y}{3 x y^{2} \cdot 4 x y} = 3 x y^{2}

5.

Check the presentation for errors. If you find one, circle it and describe the mistake in words.

\frac{20 x^{2}}{5 x^{5}} = \frac{4 \cdot 5 x^{2}}{x^{3} \cdot 5 x^{2}} = \frac{4 \cdot 5 x^{2}}{x^{3} \cdot 5 x^{2}} = 4 x^{3}