12/15 is 4/5
and 8/10 is 4/5 so they are the same.
Chat with our AI personalities
To subtract fractions, you need a common denominator. In this case, the common denominator for 10 and 15 is 30. Therefore, nine tenths is equivalent to 27 thirtieths, and eight fifteenths is equivalent to 16 thirtieths. Subtracting 16 from 27 gives you 11 thirtieths. Therefore, nine tenths minus eight fifteenths is equal to 11/30.
0.8
Jjj
3/10 + 8/15 = 9/30 + 16/30 = 25/30 = 5/6
the answer is 1 remainder 5