Step-by-step explanation:
30/70 (divide by 10) is 3/7
12/30 (divide by 6) is 2/5
9/21 (divide by 3) is 3/7
6/14 (divide by 2) is 3/7
Hence 30/70, 9/21 and 6/14 are equivalent fractions
Therefore, the fraction 12/30 is the odd one out
Answer:
I can't see the picture you have...
ik im late but the answer is -8
-5+-3=-8
The second one I believe