The solution to 20/21-2/7 is 2/3

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simplify 20/21-2/7

Solution

simplify

\frac{20}{21} - \frac{2}{7}

\frac{2}{3}

Decimal Notation

0.66666 \dots

Solution steps

\frac{20}{21} - \frac{2}{7}

Least Common Multiplier of

21, 7 : 21

Adjust Fractions based on the LCM

= \frac{20}{21} - \frac{6}{21}

Apply the fraction rule:

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

= \frac{20 - 6}{21}

Subtract the numbers:

20 - 6 = 14

= \frac{14}{21}

Cancel

\frac{14}{21} : \frac{2}{3}

= \frac{2}{3}

lo g_{5} (75)

2 + \frac{9}{2}

(\frac{b}{2 a})^{2}

(7 x - 5) - (3 x - 2)

5 - 11 (- 1)