The solution to 3/7-4/5 is -13/35

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simplify 3/7-4/5

Solution

simplify

\frac{3}{7} - \frac{4}{5}

- \frac{13}{35}

Decimal Notation

- 0.37142 \dots

Solution steps

\frac{3}{7} - \frac{4}{5}

Least Common Multiplier of

7, 5 : 35

Adjust Fractions based on the LCM

= \frac{15}{35} - \frac{28}{35}

Apply the fraction rule:

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

= \frac{15 - 28}{35}

15 - 28 = - 13

= \frac{- 13}{35}

Apply the fraction rule:

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

= - \frac{13}{35}

x^{2} + x - 1 = 1

\frac{2}{3} x + \frac{3}{2} (x - 5) \leq x

x^{4} - 2 x^{3} + 27 x - 54

x (2 x + 4) = 0

2 x + 12 \leq 2 x + 12