Answer:
(-1)/6
Step-by-step explanation:
Simplify the following:
3/10×(-5)/9
3/10×(-5)/9 = (3 (-5))/(10×9):
(3 (-5))/(10×9)
The gcd of -5 and 10 is 5, so (3 (-5))/(10×9) = (3 (5 (-1)))/((5×2) 9) = 5/5×(3 (-1))/(2×9) = (3 (-1))/(2×9):
(3×-1)/(2×9)
3/9 = 3/(3×3) = 1/3:
(-1)/(2×3)
2×3 = 6:
Answer: (-1)/6