The solution to 3/10-7/15 is -1/6

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simplify 3/10-7/15

Solution

simplify

\frac{3}{10} - \frac{7}{15}

- \frac{1}{6}

Decimal Notation

- 0.16666 \dots

Solution steps

\frac{3}{10} - \frac{7}{15}

Least Common Multiplier of

10, 15 : 30

Adjust Fractions based on the LCM

= \frac{9}{30} - \frac{14}{30}

Apply the fraction rule:

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

= \frac{9 - 14}{30}

Subtract the numbers:

9 - 14 = - 5

= \frac{- 5}{30}

Cancel

\frac{- 5}{30} : - \frac{1}{6}

= - \frac{1}{6}

- 8 + 3

- 36 + - 4 - - 9

(x - 3) (x - 3) = x^{2} - 3 x - 3 x + (- 3) (- 3)

\frac{1.09 \cdot 1 0 ^{12}}{2.18 \cdot 1 0 ^{10}}

x^{2} + 15 x - 54 = 0