Question

What rational number should be substracted from -9/25 to get 7/10.​

Answer 1

Answer:

The answer is 17/50

Step-by-step explanation:

assume the number is x

then

x - (-9/25) = 7/10

x + 9/25 = 7/10

x = 7/10 - 9/25

x = (35 - 18)/50

x = 17/50

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Answer 2

Answer:

17/50

Step-by-step explanation:

let number is a

given a-(-9/25)=7/10

a+9/25=7/10

a=7/10-9/25

a=35-18/50 (lcm of 10 and 25 is 50)

a=17/50