a farmer had 25 and 7/10 tonnes of fertilizer to spread. if he spreads 17 and 4/5 tonnes how much does he have left?

Question

 my question is written up above

 

Answer 1

25 and 7/10  -   17 and 4/5 =

 

 

25 and 7/10 - 17 and 8/10 =

 

24 and 17/10 -  17 and 8/10 =

 

7 and 9/10

 

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check:

   7/10 = 0.7 and 4/5 = 0.8

 

25.7 - 17.8 =   7.9