Question

Simplify :- (2)

-3/5 – ( - 4/15) – (7/-10)​

Answer 1

Answer:

29/30

Step-by-step explanation:

Find the least common denominator or LCM of the two denominators:

LCM of 15 and 10 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30

For the 1st fraction, since 15 × 2 = 30,

4

15

=

4 × 2

15 × 2

=8

30

Likewise, for the 2nd fraction, since 10 × 3 = 30,

7

10

=

7 × 3

10 × 3

=

21

30

Add the two like fractions:

8

30

+

21

30

=

8 + 21

30

=

29

30

So, 4/15 + 7/10 = 29/30

Answer 2

Answer:

-3/5 – ( - 4/15) – (7/-10)​

= -3/5 + 4/15 + 7/10

= (-3x6)/5x6 + (4x2)/15x2 + (7x3)/10x3          

= (-18)/30 + 8/30 + 21/30

= -18/30 + 29/30

= 11/30 Ans

Hope This Helps