What is 1/2-2/5+3/4 ?

The solution to 1/2-2/5+3/4 is 17/20

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simplify 1/2-2/5+3/4

simplify

\frac{1}{2} - \frac{2}{5} + \frac{3}{4}

\frac{17}{20}

Solution steps

\frac{1}{2} - \frac{2}{5} + \frac{3}{4}

Least Common Multiplier of

2, 5, 4 : 20

Adjust Fractions based on the LCM

= \frac{10}{20} - \frac{8}{20} + \frac{15}{20}

Apply the fraction rule:

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

= \frac{10 - 8 + 15}{20}

Add the numbers:

10 - 8 + 15 = 17

= \frac{17}{20}

(x + 2) (x^{2} + 5 x + 2)

50 + 8

\frac{2}{5} - \frac{5}{6}

\frac{6 x ^{2} - x y - 2 y ^{2}}{2 x + y}

9 \times 25