simplify 7/18-25/81

Solution

simplify

\frac{7}{18} - \frac{25}{81}

\frac{13}{162}

Decimal Notation

0.08024 \dots

Solution steps

\frac{7}{18} - \frac{25}{81}

Least Common Multiplier of

18, 81 : 162

Adjust Fractions based on the LCM

= \frac{63}{162} - \frac{50}{162}

Apply the fraction rule:

\frac{a}{c} - \frac{b}{c} = \frac{a - b}{c}

= \frac{63 - 50}{162}

Subtract the numbers:

63 - 50 = 13

= \frac{13}{162}

1 - \frac{π}{4}

69.6 - 2.539 \cdot \frac{x}{8} = 68.4

\frac{x}{9} + \frac{4}{3} = \frac{1}{2} x - 1

\frac{n}{- 1.5} = - 1.2

81 - \frac{1}{25} x^{2} = 0