The solution to 5*2 1/2 is 12 1/2

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simplify 5*2 1/2

Solution

simplify

5 \cdot 2 \frac{1}{2}

12 \frac{1}{2}

Decimal Notation

12.5

Solution steps

5 \cdot 2 \frac{1}{2}

Convert mixed numbers to improper fractions:

2 \frac{1}{2} = \frac{5}{2}

= 5 \cdot \frac{5}{2}

Convert element to fraction:

5 = \frac{5}{1}

= \frac{5}{1} \cdot \frac{5}{2}

Apply the fraction rule:

\frac{a}{b} \cdot \frac{c}{d} = \frac{a \cdot c}{b \cdot d}

= \frac{5 \cdot 5}{1 \cdot 2}

Multiply the numbers:

5 \cdot 5 = 25

= \frac{25}{1 \cdot 2}

Multiply the numbers:

1 \cdot 2 = 2

= \frac{25}{2}

Convert improper fractions to mixed numbers:

\frac{25}{2} = 12 \frac{1}{2}

= 12 \frac{1}{2}

\frac{1 0 ^{- 15}}{3.9 x 1 0 ^{- 7}}

3 (\frac{x + 2}{3}) - 2

\frac{1 0 ^{9}}{1 0 ^{4}}

\frac{1 0 ^{9}}{1 0 ^{3}}

\frac{15}{16} - \frac{3}{4}