Question

Divide the sum of 13/5 and -12/7 by the product of -31/7 and -1/2​

Answer 1

Answer:

2/5

Step-by-step explanation:

Find the sum of 13/5 and -12/7

13/5 + (- 12/7)

/* remove the bracket */

= 13/5 - 12/7

/* make the two denominators the same */

= 91/35 - 60/35

/*Subtract */

= 31/35

Find the product of -31/7 and (-1/2)

-31/7 x (-1/2)

/* Multiply the denominators together and multiply the numerators together */

= (-31)(-1)/(7)(2)

= 31/14

Divide 31/25 by 31/14

31/35 ÷ 31/14

/* convert the divide fraction to multiply fraction */

= 31/35 x 14/31

/* Multiply the denominators together and multiply the numerators together */

= (31)(14)/(35)(31)

= 14/35

= 2/5

Answer: 2/5

Answer 2

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