Question

She has 9/10 apples and subtracted -7/9 apples, how many apples does she have left?

Answer 1

Answer: Lets find a common denominator that will be 90 because 9x10 is 90

and 10x9 is 90. so now multiply the numerator so that will 9x9 is 81 so 81/90 then 7/9x10 is 70/90

then just subtract

81-70 is 11 so its 11/90

Explanation: