What is 3 1/2*2 1/4 ?

The solution to 3 1/2*2 1/4 is 7 7/8

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simplify 3 1/2*2 1/4

simplify

3 \frac{1}{2} \cdot 2 \frac{1}{4}

7 \frac{7}{8}

Decimal Notation

7.875

Solution steps

3 \frac{1}{2} \cdot 2 \frac{1}{4}

Convert mixed numbers to improper fractions:

3 \frac{1}{2} = \frac{7}{2}

= \frac{7}{2} \cdot 2 \frac{1}{4}

Convert mixed numbers to improper fractions:

2 \frac{1}{4} = \frac{9}{4}

= \frac{7}{2} \cdot \frac{9}{4}

Apply the fraction rule:

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

= \frac{7 \cdot 9}{2 \cdot 4}

Multiply the numbers:

7 \cdot 9 = 63

= \frac{63}{2 \cdot 4}

Multiply the numbers:

2 \cdot 4 = 8

= \frac{63}{8}

Convert improper fractions to mixed numbers:

\frac{63}{8} = 7 \frac{7}{8}

= 7 \frac{7}{8}

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

- 2 y - 2 y

cot (x) sec (x) sin (x)

(x^{3} + 2 x + 1) - (x^{2} - 7 x + 2)

\frac{100}{125}