Question

Subtract the sum of -5 and -8/5 from the sum of -15/14 and -31/42 *​

Answer 1

ANSWER:44/15

EXPLANATION:

=-5-8/5

LCM=5

=-5/1×5/5-8/5×1/1=25/5-8/5

=17/5

-15/14+-31/42

=-15/14-31/42

=LCM=42

=-15/14×3/3-31/42×1/1

=45/42-31/42=14/42=1/3

SUBTRACTION:17/5-1/3

=17/5×3/3-1/3×5/5

=51/15-5/15

=44/15

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Answer 2

Answer:

503 / 105

Step-by-step explanation:

sum of -5 and -8/5

-5 + (-8/5)

= - 5 - 8/5

= (-5 x 5) / 5 - 8/5

= -25/5 - 8/5

= (-25-8) / 5

= -33 / 5  ---------------------- (1)

-15/14 and -31/42

-15/14 + (-31/42)

= -15/14 - 31/42

= (-15 x 3) / ( 14 x 3) - 31/42

= -45/42 - 31/42

= (-45-31) / 42

= -76 / 42

= - 38 / 21 -------------------------(2)

subtracting (1) from (2)

(- 38 / 21) - (-33 / 5)

= (-38 x 5)-(-33 x 21) / 105

= (-190 + 693) / 105

= 503 / 105