Question

by what number should be subtracted from -4/7 to get -3
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Answer 1

Answer:

Let x be subtracted from -4/7.

-4/7-x = -3

-x = -3+4/7

LCM of 1, 7 is 7.

-x = (-21+4)/7

-x = -17/7

x = 17/7 should be subtracted from -4/7 to get -3. ---> Answer

Answer 2

Answer:

-25/7

Step-by-step explanation:

= -4/7 + (-3)

= -4/7 - 3

= -4/7 - 21

= -25/7

check

= -25/7 - (-4/7)

= -25/7 + 4/7

= -21/7

= -3