Question

2/5×3/7+1/25×1/2-1/10×2/5
solve please​

Answer 1

Answer:

$= \frac{2}{5} \times \frac{3}{7} + \frac{1}{25} \times \frac{1}{2} - \frac{1}{10} \times \frac{2}{5}$

$= \frac{6}{35} + \frac{1}{50} - \frac{2}{50}$

$= \frac{300 + 35}{1750} - \frac{2}{50}$

$= \frac{335}{1750} - \frac{2}{50}$

$= \frac{16750 - 3500}{57500}$

$= \frac{13250}{57500}$

Step-by-step explanation:

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Answer 2

Answer:

$\frac{2}{5} *\frac{3}{7} +\frac{1}{25} *\frac{1}{2} -\frac{1}{10} *\frac{2}{5}$

$\frac{2}{5} *\frac{3}{7} = \frac{6}{35}$ , $\frac{1}{25} *\frac{1}{2} = \frac{1}{50}$ , $\frac{1}{10} *\frac{2}{5} = \frac{2}{50}$

$\frac{6}{35} + \frac{1}{50} - \frac{2}{50}$

$\frac{6}{35} +\frac{1}{50}$

lcm of 35,50 = 350

$\frac{6}{35} *\frac{10}{10} = \frac{60}{350}$

$\frac{1}{50} * \frac{7}{7} = \frac{7}{350}$

$\frac{60+7}{350} = \frac{67}{350}$

$\frac{67}{350} - \frac{2}{50}$

lcm of 350,50 = 350

$\frac{67}{350} *\frac{1}{1} =\frac{67}{350}$

$\frac{2}{50} *\frac{7}{7} =\frac{14}{350}$

$\frac{67-14}{350} =\frac{53}{350}$

so , 53/350 is your answer

Step-by-step explanation: