Question

a) 1 / 2 x 5 /8 =

b) 3 / 5 x 1 / 2 =

c) 5 x 1 / 8 =

d) 6/7 x 3 =

e) 4/5 x 7/10 =

f) 2/8 x 3/5 x 1/2 =

g) 2/3 x 2 x 1/7=

h) 5/3 x 9/5 x 1/3 =

i) 10/3 x 5 x 2/4 =

j) 2/3 x 1/6 x 4/5 x 3 /4 =

Answer 1

Resposta:

$a) \frac{1}{2} \times \frac{5}{8} = \frac{5}{16}$

$b) \frac{3}{5} \times \frac{1}{2} = \frac{3}{10}$

$c)5 \times \frac{1}{8} = \frac{5}{8}$

$d) \frac{6}{7} \times 3 = \frac{18}{7}$

$e) \frac{4}{5} \times \frac{7}{10} = \frac{28}{50} = \frac{14}{25}$

$f) \frac{2}{8} \times \frac{3}{5} \times \frac{1}{2} = \frac{6}{80} = \frac{3}{40}$

$g) \frac{2}{3} \times 2 \times \frac{1}{7} = \frac{4}{21}$

$h) \frac{5}{3} \times \frac{9}{5} \times \frac{1}{3} = \frac{45}{45} = 1$

$i) \frac{10}{3} \times 5 \times \frac{2}{4} = \frac{100}{12} = \frac{25}{3}$

$j) \frac{2}{3} \times \frac{1}{6} \times \frac{4}{5} \times \frac{3}{4} = \frac{24}{360 } = \frac{12}{180} = \frac{6}{90} = \frac{3}{45} = \frac{1}{15}$

Answer 2

Resposta:

a) 1 / 2 x 5 /8 = 5/16

b) 3 / 5 x 1 / 2 = 3/10

c) 5 x 1 / 8 = 5/8

d) 6/7 x 3 =18/7

e) 4/5 x 7/10 = 28/50

f) 2/8 x 3/5 x 1/2 = 6/80

g) 2/3 x 2 x 1/7= 4/21

h) 5/3 x 9/5 x 1/3 = 45/45

i) 10/3 x 5 x 2/4 = 100/12

j) 2/3 x 1/6 x 4/5 x 3 /4 = 24/360

Explicação passo-a-passo:

para resolver multiplicação de frações deve-se multiplicar Numerador × numerador

deniminador × denominador

se for um numero inteiro (exemplo: letra c da questão) o denominador será 1

espero ter ajudado ❤