What is 3/8+1/5-3/4 ?

The solution to 3/8+1/5-3/4 is -7/40

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simplify 3/8+1/5-3/4

simplify

\frac{3}{8} + \frac{1}{5} - \frac{3}{4}

- \frac{7}{40}

Decimal Notation

- 0.175

Solution steps

\frac{3}{8} + \frac{1}{5} - \frac{3}{4}

Least Common Multiplier of

8, 5, 4 : 40

Adjust Fractions based on the LCM

= \frac{15}{40} + \frac{8}{40} - \frac{30}{40}

Apply the fraction rule:

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

= \frac{15 + 8 - 30}{40}

Add the numbers:

15 + 8 - 30 = - 7

= \frac{- 7}{40}

Apply the fraction rule:

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

= - \frac{7}{40}

- 4 < \frac{- 3 x + 2}{- 3} < 4

- \frac{1}{2} + 3

x (x + 2) > 0

\frac{- 6}{3}

8 x^{2} y^{2} + 6 y^{2} x