What is 1/2+1/6+1/12+1/20 ?

The solution to 1/2+1/6+1/12+1/20 is 4/5

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simplify 1/2+1/6+1/12+1/20

simplify

\frac{1}{2} + \frac{1}{6} + \frac{1}{12} + \frac{1}{20}

\frac{4}{5}

Solution steps

\frac{1}{2} + \frac{1}{6} + \frac{1}{12} + \frac{1}{20}

Least Common Multiplier of

2, 6, 12, 20 : 60

Adjust Fractions based on the LCM

= \frac{30}{60} + \frac{10}{60} + \frac{5}{60} + \frac{3}{60}

Apply the fraction rule:

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

= \frac{30 + 10 + 5 + 3}{60}

Add the numbers:

30 + 10 + 5 + 3 = 48

= \frac{48}{60}

Cancel

\frac{48}{60} : \frac{4}{5}

= \frac{4}{5}

\frac{25 x ^{7} y ^{6}}{125 x ^{3} y ^{8}}

\frac{3 - i}{1 + 2 i}

48 y^{4} - 3 y^{2}

\frac{2 x + 7}{5} < - 9

x (x - 2) = 1