List questions from fractions

Published on 22 Oct 2014 - 10:59

87

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Show that for every integer $n ≥ 1$, $1 + \frac{1}{4} +\frac{1}{9} + · · · + \frac{1}{n^2} ≤ 2 − \frac{1}{n}$

Published on 23 Oct 2014 - 16:10

977

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Finding out how out how much is 100%

Published on 27 Mar 2026 - 8:41

89

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How to find the value of $\sum_{k=1}^\infty (\frac{1}{9})^k$ using partial sums?

Published on 26 Mar 2026 - 12:54

75

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Find the value of x

Published on 26 Oct 2014 - 19:32

15.8k

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Why do we miss 8 in the decimal expansion of 1/81, and 98 in the decimal expansion of 1/9801?

Published on 28 Mar 2026 - 11:54

5.3k

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How do you solve a logarithm with a non-integer base?

Published on 28 Oct 2014 - 20:15

50

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Trying to figure out a Mathematical pattern

Published on 25 Mar 2026 - 19:01

95

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Basic algebra/fractions: derivation

Published on 30 Oct 2014 - 18:03

3.1k

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The steps of simplifying a fraction?

Published on 05 Nov 2014 - 20:40

141

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What is the property that allow the transformation $\frac{16a^3}{8ac}=\frac{16}8\cdot\frac{a^3}a\cdot\frac1c$?

Published on 07 Nov 2014 - 11:41

1.9k

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Is there an operator for adding the numerator and denominator of a fraction separately?

Published on 08 Nov 2014 - 3:50

440

Views

Can ratios really be manipulated as fractions?

Published on 28 Mar 2026 - 20:57

1.1k

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limits question with radicals, rationalizing

Published on 11 Nov 2014 - 2:54

147

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Max/Min Problem

Published on 11 Nov 2014 - 17:13

List Question

Trying to subtract 2 fractional

Show that for every integer $n ≥ 1$, $1 + \frac{1}{4} +\frac{1}{9} + · · · + \frac{1}{n^2} ≤ 2 − \frac{1}{n}$

Finding out how out how much is 100%

How to find the value of $\sum_{k=1}^\infty (\frac{1}{9})^k$ using partial sums?

Find the value of x

Why do we miss 8 in the decimal expansion of 1/81, and 98 in the decimal expansion of 1/9801?

How do you solve a logarithm with a non-integer base?

Trying to figure out a Mathematical pattern

Basic algebra/fractions: derivation

The steps of simplifying a fraction?

What is the property that allow the transformation $\frac{16a^3}{8ac}=\frac{16}8\cdot\frac{a^3}a\cdot\frac1c$?

Is there an operator for adding the numerator and denominator of a fraction separately?

Can ratios really be manipulated as fractions?

limits question with radicals, rationalizing

Max/Min Problem

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