Make the lower number the same them compare, as in 4/15 and 2/5 becomes 4/15 and 6/15 from 2x3/5x3 or 6/15 Answer 6/15 is bigger than 4/15 i.e. 2/5 is bigger.
2 dm
2/15 = 8/60 3/20 = 9/60 so 3/20 is bigger.
12/15 is bigger than 4/10 or 4/5 is bigger than 2/5
Assuming the fractions are 2/15 and 4/25 rather than "2 and 15" which is not a fraction, the answer is no.
2/10 is bigger than 15/100
It is -2
Make the lower number the same them compare, as in 4/15 and 2/5 becomes 4/15 and 6/15 from 2x3/5x3 or 6/15 Answer 6/15 is bigger than 4/15 i.e. 2/5 is bigger.
2/15 is twice as great as 2/30
Yes to make 2/3 and 2/5 similar make the lower number the same 3 x 5 = 15 2/3 = 10/15 2/5 = 6/15 so 10/15 is bigger than 6/15 so 2/3 is bigger than 2/5
3 over five 2/3 = 10/15, and 3/5 = 9/15. 2 over 3 (10/15) is obviously bigger than 3 over 5 (9/15).
2 dm
2/15 = 8/60 3/20 = 9/60 so 3/20 is bigger.
12/15 is bigger than 4/10 or 4/5 is bigger than 2/5
2/3 = 20/30 5/10 = 15/30 20 is bigger than 15.
Assuming the fractions are 2/15 and 4/25 rather than "2 and 15" which is not a fraction, the answer is no.
No 7/15 is not bigger than 1 1/2.