Question

please anyone solve these questions ​

Answer 1

Step-by-step explanation:

Simplify:

1)

$\frac{ - 2}{1} + \frac{3}{8} + \frac{ - 1}{5} = (lcm \: of \: 8and5 = 40) \\ \frac{ - 80 + 15 - 8}{40} = \frac{ - 73}{40} \\ - \frac{73}{40} = - 1 \frac{33}{40}$

2)

$\frac{2}{3} + \frac{ - 7}{11} + \frac{ - 1}{4} = lcm \: of \: 3 \: \: 11and4 = 132 \\ \frac{88 - 84 - 33}{132} = - \frac{ - 29}{132} \\ - \frac{29}{132}$

)Verify that a+b=b+a

(1)

$\frac{ - 7}{5} + \frac{2}{7} = \frac{2}{7} + \frac{ - 7}{5} \\ \frac{ - 49 + 10}{35} = \frac{10 + ( - 49)}{35} \\ \frac{ - 39}{35} = \frac{ - 39}{35} \\ true = true$

(2)

$\frac{ - 1}{1} + \frac{ - 2}{3} = \frac{ - 2}{3} + \frac{ - 1}{1} \\ \frac{ - 3 + ( - 2)}{3} = \frac{ - 2 + ( - 3)}{3} \\ \frac{ - 5}{3} = \frac{ - 5}{3} \\ true = true$

Please like this answer and mark me as brainliest