Question

subtract the sum of - 5 upon 6 and 4 upon 5 from the sum of-3 upon 5 and 7 upon 15​

Answer 1

Step-by-step explanation:

(-5/6 + 4/5) – (-3/5 + 7/15)

=( -25 + 24/30) – (-9 + 7/15)

= (-1/30) – (-2/15)

= (-1 + 4/30)

= (3/30)

= (1/10)

Answer 2

284/15

Step-by-step explanation:

5/6+4/5

LCM WILL BE 30

SO,

(5×5+4×6)/30

(25+24)/30

600/30

20

3/5+7/15

LCM WILL BE 15

SO,

(3×3+7)/15

(9+7)/15

(16/15)

and,

20 - 16/15

LCM WILL BE 15

(20×15 -16)/15

(300-16)/15

284/15 Ans.