Question

solve :
a. 11/7+(3/21+3/14)
b. 1/5-3/7+(-2/1)
please explain step by step ​

Answer 1

Step-by-step explanation:

a.first take the LCM of 7, 21, 14 = 42

$\frac{17}{42}$

b. first take LCM of 5 and 7=35

$\frac{7 - 15}{35} + ( \frac{ - 2}{1} )$

$\frac{8}{35} + ( \frac{ - 2}{1} )$

$\frac{8}{35 } + \frac{ - 2}{1}$

$\frac{8 - 2}{35}$

$\frac{6}{35}$

Answer 2

I hope it's helps you.

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