Question

-1/5 - 4/7 -5/21 This is a question​

Answer 1

Answer:

$\frac{ - 1}{5} - \frac{4}{7} - \frac{5}{21} \\ \\ lcm = 5 \times 7 \times 3 = 21 \times 5 = 105 \\ \\ = \frac{ - 21}{105} - \frac{60}{105} - \frac{25}{105} \\ \\ = \frac{ - 106}{105}$

Answer 2

Answer:

-1/5-4/7-5/21

(-21-60-25)/105. {LCM is 105}

-106/105