Представьте число в виде обыкновенной дроби а 0.75 б 3.4 в. 0.125 г 2.35 а 0.25 б 1.6 в 0.375 г 4.8 а 0.2 б 0.8 в 2.34 г 1.95 а 0.5 б 2.3 в 0.625 г 1.38

Переведем десятичную дробь в обыкновенную.

0.75 = 75/100 = 3 * 25/4 * 25 = 3/4;

3.4 = 3 4/10 = 3 2 * 2/5 * 2 = 3 2/5;

0.125 = 125/1000 = 1 * 125/8 * 125 = 1/8;

2.35 = 2 35/100 = 2 7 * 5/20 * 5 = 2 7/20;

0.25 = 25/100 = 1 * 25/4 * 25 = 1/4;

1.6 = 1 6/10 = 1 3 * 2/5 * 2 = 1 3/5;

0.375 = 375/1000 = 3 * 125/8 * 125 = 3/8;

4.8 = 4 8/10 = 4 4 * 2/5 * 2 = 4 4/5;

0.2 = 2/10 = 1 * 2/5 * 2 = 1/5;

0.8 = 8/10 = 4 * 2/5 * 2 = 4/5;

2.34 = 2 34/100 = 2 17 * 2/50 * 2 = 2 17/50;

1.95 = 1 95 / 100 = 1 19 * 5/20 * 5 = 1 19/20

0.5 = 5/10 = 1 * 5/2 * 5 = 1/2;

2.3 = 2 3/10;

0.625 = 625/1000 = 5 * 125/8 * 125 = 5/8;

1.38 = 1 38/100 = 1 19 * 2/50 * 2 = 1 19/50;