Question

Transformați în fracții ordinare: a) 0,005; b)1, (3); c) 2,1 (4).

Answer 1

$a)0.005 = \frac{5}{1000} = \frac{1}{200}$

$b)M1)1.(3) = \frac{13 - 1}{9} = \frac{12}{9} = \frac{4}{3}$

$sau$

$M2)1.(3) = 1 \frac{3}{9} = \frac{1 \times 9 + 3}{9} = \frac{9 + 3}{9} = \frac{12}{9} = \frac{4}{3}$

$c)M1)2.1(4) = \frac{214 - 21}{90} = \frac{193}{90}$

$sau$

$M2)2.1(4) = 2 \frac{14 - 1}{90} = 2 \frac{13}{90} = \frac{2 \times 90 + 13}{90} = \frac{180 + 13}{90} = \frac{193}{90}$

Answer 2

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