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Popular >

simplify 1/7-1/9

Solution

simplify

\frac{1}{7} - \frac{1}{9}

Solution

\frac{2}{63}

+1

Decimal Notation

0.03174 \dots

Solution steps

\frac{1}{7} - \frac{1}{9}

Least Common Multiplier of

7, 9 : 63

Adjust Fractions based on the LCM

= \frac{9}{63} - \frac{7}{63}

Apply the fraction rule:

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

= \frac{9 - 7}{63}

Subtract the numbers:

9 - 7 = 2

= \frac{2}{63}

Popular Examples

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2 x^{3} - 5 x^{2} + 3 x - 2

simplify x*x^{1/2}simplify

x \cdot x^{\frac{1}{2}}

- 7 (z - 6) = - 70

factor 2a^2b-6ab-3a+9 factor

2 a^{2} b - 6 ab - 3 a + 9

2 z^{2} - 21 z - 36 = 0

Frequently Asked Questions (FAQ)

What is 1/7-1/9 ?
The solution to 1/7-1/9 is 2/63