Question

add the rational number 1/-12+2/-15

Answer 1

Answer:

1/20

Step-by-step explanation:

=-1/12+2/15

=-5+8/60

=3/60

=1/20

Answer 2

Step-by-step explanation:

$\frac{1 }{ - 12} + \frac{2}{ - 15} = - \frac{1 }{12} - \frac{2}{15} = - ( \frac{1}{12} + \frac{2}{15} ) = - ( \frac{(15 \times 1) + (2 \times 12)}{12 \times 15} ) = - ( \frac{15 + 24}{180} ) = - \frac{39}{180} = - \frac{13}{60}$