Question

А)4/5×10/11 б)3/7:9/20

Answer 1

$\frac{4}{5} \times \frac{10}{11} = 4 \times \frac{2}{11} = \frac{8}{11} \\ \\ \frac{3}{7} \div \frac{9}{20} = \frac{3}{7} \times \frac{20}{9} = \frac{1}{7} \times \frac{20}{3} = \frac{20}{21}$

Удачи))))

Answer 2

$\frac{4}{5} \times \frac{10}{11} = \frac{8}{11}$

$\frac{3}{7} \div \frac{9}{20} = \frac{3}{7} \times \frac{20}{9} = \frac{20}{21}$

Answer 3

Let's solve the two expressions step by step:

А) 4/5 × 10/11

To multiply fractions, you simply multiply the numerators together and the denominators together.

Result: (4/5) × (10/11) = (4 × 10) / (5 × 11) = 40 / 55

Now, we can simplify the fraction:

40 / 55 = 8 / 11

So, the result of the expression 4/5 × 10/11 is 8/11.

B) 3/7 ÷ 9/20

To divide fractions, you invert the second fraction (the divisor) and then perform multiplication.

Result: (3/7) ÷ (9/20) = (3/7) × (20/9)

Now, we can multiply the fractions:

(3/7) × (20/9) = (3 × 20) / (7 × 9) = 60 / 63

Next, we simplify the fraction:

60 / 63 = 20 / 21

So, the result of the expression 3/7 ÷ 9/20 is 20/21.