Question

the sum of 2 by 3 plus minus 3 by 5 + 1 by 6 plus minus 8 by 15 is equal to​

Answer 1

Answer:

-3/10

Step-by-step explanation:

2/3+(-3/5)+1/6+(-8/15)

=2/3-3/5+1/6-8/15

=2×2/3×2+1/6-3×3/5×3-8/15

=4+1/6 -9-8/15

=5/6-17/15

=5×5-17×2/30

=25-34/300

=-9/30 =-3/10